阅读说明：本技术 基于路权和人因的城市隧道匝道入口区域视线诱导系统 (Urban tunnel ramp entrance area sight induction system based on road right and human factors ) 是由 杜志刚 雷凯婷 杨柳 许富强 韩磊 陈灿 于 2021-08-16 设计创作，主要内容包括：本发明涉及城市交通安全设施技术领域,特指基于路权和人因的城市隧道匝道入口区域视线诱导系统,包括设于匝道段的门架式可变信息板,及设于门架式可变信息板下方的普通逆反射交通标志,及设于匝道区域的智能可变色环形轮廓带,及设于主路与匝道侧墙的腰带线、诱导箭头、双曲线形反光条和斜设立面标记,及设于匝道洞口区域的车道指示板,及设于入口匝道车道边缘线的连续突起路标,及设于匝道下坡路段的振动减速标线,及设于合流区鼻端的单叶双曲面形警示柱,及设于加速车道的让行线和左弯箭头,及设于主路侧墙的腰带线,及设于驶出段地面的车道导向箭头。通过交通导向、视线诱导设施的组合设计,使隧道交通信息与驾驶变得统一、连续、层层递进。(The invention relates to the technical field of urban traffic safety facilities, in particular to a road right and human factor-based urban tunnel ramp entrance area sight line induction system, which comprises a portal variable information board arranged on a ramp section, a common retro-reflective traffic sign arranged below the portal variable information board, an intelligent color-variable annular contour band arranged on the ramp area, a belt line and an induction arrow arranged on a main road and a ramp side wall, the traffic lane comprises hyperbolic-shaped reflecting strips, inclined elevation marks, a lane indicating plate arranged in a ramp entrance area, continuous protruding road signs arranged on the edge lines of an entrance ramp lane, vibration deceleration marked lines arranged on a ramp downhill section of the ramp, a single-blade hyperbolic-shaped warning post arranged at the nose end of a confluence area, row-passing lines and left-turning arrows arranged on an acceleration lane, a waistband line arranged on a side wall of a main lane and a lane guide arrow arranged on the ground of an outgoing section. Through the combined design of traffic guidance and sight line induction facilities, the tunnel traffic information and driving become uniform, continuous and progressive layer by layer.)

1. Urban tunnel ramp entrance area sight induction system based on road right and human factors, its characterized in that: comprises a portal variable information board (1) arranged on a ramp section and a common retro-reflective traffic sign (2) arranged below the portal variable information board (1), an intelligent color-variable annular outline belt (3) arranged in a ramp area, a belt line (4) arranged on the main road and the ramp side wall, an induced arrow (5), a hyperbolic curve-shaped reflective strip (6) and an obliquely arranged elevation mark (7), a lane indicating plate (8) arranged in the ramp entrance area, and a continuous raised road sign (9) arranged on the edge line of the entrance ramp lane, a vibration deceleration marked line (10) arranged on a ramp downhill section and a single-blade hyperboloid warning post (11) arranged at the nose end of a confluence area, and a traffic line (12) and a left-turn arrow (13) which are arranged on the acceleration lane, a belt line (4) which is arranged on the side wall of the main road, and a lane guide arrow (14) which is arranged on the ground of the driving-out section.

2. The road right and human factor based urban tunnel ramp entrance area line of sight induction system according to claim 1, characterized in that: the variable information board of portal formula (1) sets up in ramp downhill path starting point, the portal stand of portal formula variable information board (1) both sides is single leaf hyperboloid shape casing, and the middle part is thin, and both ends are thick, and its upper strata is variable information board, and the lower floor is ordinary contrary reflective marker (2) for embodying tunnel name, limit for height, linear.

3. The road right and human factor based urban tunnel ramp entrance area line of sight induction system according to claim 1, characterized in that: the intelligent color-variable annular contour band (3) is arranged in an entrance ramp area, the cross section of the intelligent color-variable annular contour band is triangular, an LED lamp band is arranged at the top end of the triangle, the intelligent color-variable annular contour band inclines to 15-20 degrees in the direction opposite to the traveling direction, the arrangement interval of the intelligent color-variable annular contour band is 15-30 m, the color-variable annular contour band is red, yellow and green, the intelligent color-variable annular contour band (3) is matched with the portal type variable information board (1) for use, when the ramp is closed, the intelligent color-variable annular contour band is red, meanwhile, the portal type variable information board (1) displays that the ramp is closed and the ramp is required to bypass, when the tunnel is congested, the intelligent color-variable annular contour band is yellow, the portal type variable information board (1) displays that the tunnel is congested and the tunnel is required to be carefully driven, when the flow of the tunnel is small, the intelligent color-variable annular contour band is green, and the portal type variable information board (1) displays that the tunnel is unobstructed.

4. The road right and human factor based urban tunnel ramp entrance area line of sight induction system according to claim 1, characterized in that: the color of the belt line (4) of the main road is green, the belt line is set to be in a discontinuous arrow form in the confluence section, the belt line and the outgoing section are both set to be in a continuous solid line form in front of the confluence section, the belt line (4) of the ramp is orange in color, two white induction arrow (5) combined patterns are continuously arranged on the belt line, one of the white induction arrow is arranged at the inner side of the ramp at a distance of 3m, and the other is arranged at the outer side of the ramp at a distance of 2.4 m.

5. The road right and human factor based urban tunnel ramp entrance area line of sight induction system according to claim 1, characterized in that: the thickness of the hyperbolic reflective strip (6) is about 3-5 cm, the side face of the hyperbolic reflective strip is pasted with a retroreflective material, the hyperbolic reflective strip inclines 10-15 degrees towards the lane direction, and the hyperbolic standard equation isWhen the tunnel height is h, a is equal to 0.2,0.24]h,b∈[0.3,0.4]h, inclining the reverse driving direction by 15-20 degrees, wherein the ratio of the arrow combined pattern to the reflective strips is 2: 1.

6. The road right and human factor based urban tunnel ramp entrance area line of sight induction system according to claim 1, characterized in that: the obliquely-arranged vertical face marks (7) are arranged on the lower edge of the curb on the side wall of the ramp, the marked lines are oblique lines alternating between orange and black, the inclination angle is 60-75 degrees, the line width is 15cm, four ramps are arranged in one group, the interval between the inner sides of the ramps is 1m, and the interval between the outer sides of the ramps is 0.8 m.

7. The road right and human factor based urban tunnel ramp entrance area line of sight induction system according to claim 1, characterized in that: the lane indicating plate (8) is arranged at the top end of a ramp hole area and is 5-10m away from a tunnel gate, the protruding road signs (9) are arranged on the edge line of a ramp lane and are arranged at intervals of 10-12 m, the vibration deceleration marked lines (10) are arranged on a ramp section, the height of the protruding parts is 5-7 mm, three lanes are continuously arranged to form a group, and the interval of each group is 20-30 m.

8. The road right and human factor based urban tunnel ramp entrance area line of sight induction system according to claim 1, characterized in that: the upper end and the lower end of the single-leaf hyperboloid-shaped warning column (11) are gradually thinned towards the middle, an arrow-shaped protrusion is formed in the middle, the color of a main body is red, adjacent stripes are respectively pasted with mirror reflection and retro-reflection materials, the arrow-shaped protrusion is pasted with 15-20 cm yellow retro-reflection reflective films, the background is pasted with the mirror reflection materials, the arrow-shaped protrusion is arranged at the nose end of a tunnel confluence area, the height of the arrow-shaped warning column is in a gradual change form of 1.8m, 1.6m, 1.4m, 1.2m and 1.0m along the driving direction, and the distance is 3-5 m and is arranged in a straight line.

9. The road right and human factor based urban tunnel ramp entrance area line of sight induction system according to claim 1, characterized in that: the yielding line (12) is arranged in the middle of the accelerating lane and on the ground close to the tail end and is composed of a plurality of continuous white inverted triangles, the bottoms of the inverted triangles are 50-60 cm wide, 100-120 cm high and 30-50 cm apart from each other, the left-turning arrow (13) is arranged 1-3 m behind the yielding line (12), and the lane indicating arrow (14) is arranged on the ground of the starting point of the running-out section.

10. The road right and human factor based urban tunnel ramp entrance area line of sight induction system according to claim 1, characterized in that: the variable information board (1), the belt line (4), the obliquely-arranged elevation mark (7) and the traffic line (12) jointly form road right information of an entrance area of an urban tunnel ramp, and the intelligent variable-color annular contour band (3), the hyperbolic-shaped light reflecting strip (6) and the multi-flash-rate multi-scale information are arranged in a human factor range.

Technical Field

The invention relates to the technical field of urban traffic safety facilities, in particular to a road right and human factor-based urban tunnel ramp entrance area sight line induction system.

Background

In recent years, with the acceleration of urbanization process, ground land resources are increasingly tense, so people aim at underground space and promote the vigorous development of tunnel engineering. The urban tunnel plays an important role in connecting urban area traffic, but research shows that a road section from an urban tunnel entrance to a confluence end often has difficulty in advancing and retreating for a driver due to lack of continuity and definition of road directing information, and traffic jam or accidents are caused by the difficulty, so that smooth, orderly and quick passing of traffic flow cannot be guaranteed.

At present, tunnel guidance and safety design mainly aims at tunnel shunting areas and tunnel outlets, and has less traffic guidance and safety design for tunnel inlets and confluence areas, so that a complete and safe sight line guidance system for city tunnel ramps and confluence areas is very necessary to design aiming at the characteristics of discontinuous and undefined guidance information of city tunnel ramps inlets and confluence areas and the like.

Disclosure of Invention

Aiming at the problems, the invention provides a sight line induction system of an entrance area of a city tunnel ramp based on a road right and human factors, so that a driver can determine the road right and correctly sense and judge information such as speed, distance, direction and the like, the driver can decide whether to enter a tunnel or not at a far end according to information of a variable information board, the line shape of the tunnel entrance ramp is determined at a middle end, the speed and the distance of vehicles are controlled, the driver is reminded to pay attention to main road traffic flow at a near end, and the safety and the traffic efficiency of a confluence area are improved.

In order to achieve the purpose, the technical scheme applied by the invention is as follows:

the urban tunnel ramp entrance area sight line induction system based on the road right and the human factor comprises a portal variable information board arranged on a ramp section, a common retro-reflective traffic sign arranged below the portal variable information board, an intelligent color-variable annular outline strip arranged on the ramp section, a waistband line arranged on a main road and a ramp side wall, an induction arrow, a hyperbolic-shaped light reflecting strip, a slant elevation mark, a lane indicator plate arranged on a ramp entrance area, a continuous protruding road sign arranged on an entrance ramp lane edge line, a vibration deceleration mark arranged on a ramp downhill section, a single-leaf hyperbolic warning post arranged on a nose end of a confluence area, a passing line and a left-bent arrow arranged on an accelerating lane, a waistband line arranged on a main road side wall, and a lane guide arrow arranged on the ground of a departure section.

According to the scheme, the portal frame type variable information board is arranged at the starting point of the ramp downhill, portal frame upright columns on two sides of the portal frame type variable information board are single-leaf hyperboloid-shaped shells, the middle part is thin, two ends are thick, the upper layer is the variable information board, and the lower layer is a common retro-reflection mark for reflecting the name, the height limit and the line shape of the tunnel.

According to the scheme, the intelligent variable-color annular contour band is arranged in an entrance ramp area, the cross section of the intelligent variable-color annular contour band is triangular, the top end of the triangle is provided with an LED lamp band, the LED lamp band inclines to 15-20 degrees in the direction opposite to the driving direction, the setting interval of the intelligent variable-color annular contour band is 15-30 m, the variable colors are red, yellow and green, the intelligent variable-color annular contour band is matched with the portal type variable information board for use, when the ramp is closed, the intelligent variable-color annular contour band is red, meanwhile, the portal type variable information board displays that the ramp is closed and the tunnel is required to bypass, when the tunnel is congested, the intelligent variable-color annular contour band is yellow, the portal type variable information board displays that the tunnel is congested and the tunnel is required to be driven carefully, when the flow of the tunnel is small, the intelligent variable-color annular contour band is green, and the portal type variable information board displays that the tunnel is unobstructed.

According to the scheme, the color of the belt line of the main road is green, the belt line of the main road is set to be in a discontinuous arrow form in the confluence section, the belt line of the ramp is set to be in a continuous solid line form in front of the confluence section and the belt line of the ramp is orange, two white induction arrow combined patterns are continuously arranged on the belt line, one white induction arrow combined pattern is arranged at the inner side of the ramp at a distance of 3m, and the other white induction arrow combined pattern is arranged at the outer side of the ramp at a distance of 2.4 m.

According to the scheme, the thickness of the hyperbolic-shaped light reflecting strip (6) is about 3-5 cm, the side face of the hyperbolic-shaped light reflecting strip is pasted with a retro-reflecting material, the hyperbolic-reflecting material inclines by 10-15 degrees towards the lane direction, and the hyperbolic standard equation isWhen the tunnel height is h, a is equal to 0.2,0.24]h,b∈[0.3,0.4]h, inclining the reverse driving direction by 15-20 degrees, wherein the ratio of the arrow combined pattern to the reflective strips is 2: 1.

According to the scheme, the inclined set face marks are arranged on the lower edge of the curb on the side wall of the ramp, the marked lines are orange-black inclined lines, the inclination angle is 60-75 degrees, the line width is 15cm, four ramps are arranged in one group, the interval between the inner sides of the ramps is 1m, and the interval between the outer sides of the ramps is 0.8 m.

According to the scheme, the lane indicator board is arranged at the top end of the ramp hole area and 5-10m away from a tunnel gate, the protruding road signs are arranged on the edge line of the ramp lane and are arranged at intervals of 10-12 m, the vibration deceleration marked lines are arranged on the approach downhill road section, the height of the protruding parts is 5-7 mm, three lanes are continuously arranged to form one group, and the interval of each group is 20-30 m.

According to the scheme, the upper end and the lower end of the single-leaf hyperboloid-shaped warning column gradually become thinner towards the middle, an arrow-shaped bulge is formed in the middle, the color of the main body is red, adjacent stripes are respectively pasted with a specular reflection material and a retroreflective material, the arrow-shaped bulge is pasted with a 15-20 cm yellow retroreflective reflective film, a background is pasted with the specular reflection material and is arranged at the nose end of the confluence area of the tunnel, the height of the arrow-shaped warning column is in a gradual change form of 1.8m, 1.6m, 1.4m, 1.2m and 1.0m along the driving direction, and the distance is 3-5 m and the arrow-shaped bulge is arranged in a straight line.

According to the scheme, the traffic line is arranged in the middle of the acceleration lane and on the ground close to the tail end and is composed of a plurality of continuous white inverted triangles, the bottoms of the inverted triangles are 50-60 cm wide and 100-120 cm high, the distance between the inverted triangles is 30-50 cm, the left-hand-bent arrow is arranged 1-3 m behind the traffic line, and the lane indicating arrow is arranged on the ground of the starting point of the driving-out section.

According to the scheme, the variable information board, the belt line, the inclined set surface mark and the traffic line jointly form road right information of an urban tunnel ramp inlet area, and the intelligent variable color annular contour band, the hyperbolic curve-shaped light reflecting strip and the multi-flash-rate multi-scale information are arranged in a human factor range.

The invention has the beneficial effects that:

1) according to the invention, through the combined design of a series of traffic guidance and sight line induction facilities, tunnel traffic information and driving tasks become uniform, continuous and progressive layer by layer, so that a driver can define road right and correctly sense and judge information such as speed, distance, direction and the like, the driver can determine whether to enter a tunnel or not at the far end according to variable information board information, decision-making in advance is facilitated, smoothness and order of traffic flow are ensured, the lane line shape of a tunnel entrance is defined at the middle end, direction sense and speed sense are improved, lane keeping capacity of the driver is facilitated to be improved, the vehicle speed and the vehicle distance are controlled, the driver is reminded to pay attention to main road traffic flow at the near end, and safety and traffic efficiency of a confluence area are improved;

2) the hyperbolic curve reflective strips and the intelligent color-variable annular contour belts jointly form contour induction information on the ramp, the space right is defined, the tunnel landscape is enriched while the perception of the driver on the tunnel traffic state and the sensitivity of ramp gradient change are increased, and the driving comfort is improved;

3) the invention adopts the induction information of various flashing rates and scales, high flashing rate and small scale-inclined elevation marks, medium flashing rate and medium scale-induced arrow combined patterns, low flashing rate and large scale-hyperbolic reflecting strips, constructs the information induction of asymmetric inner and outer sides of a ramp and asymmetric main road ramps, carries out linear induction in all directions, strengthens the difference between different areas, improves the discrimination of a driver on a confluence area and keeps the driving stability;

4) the single-leaf hyperboloid-shaped warning post is arranged in the confluence triangular area, adjacent stripes of the main body are respectively attached with a mirror surface reflection material and a retro-reflection material, the middle arrow-shaped protrusion not only increases the light reflection area, but also is attached with a large-angle retro-reflection reflective film, the mirror surface reflection material is attached to the background, the mirror surface reflection and the retro-reflection can be simultaneously realized, and the setting of the height of the warning post enables the reflected light to be concentrated in the range of 1-1.8 m away from the road surface, so that the sight height of a common car-shaped driver in an urban tunnel is met, the visibility of facilities is improved, and the main road and ramp driver are warned to pay attention to confluence safety;

5) the invention adopts the combined design of a series of sight line induction facilities, has less investment, high construction feasibility and quick effect, and has good inductivity and cost performance.

Drawings

FIG. 1 is a schematic view of the city tunnel ramp entrance arrangement control of the present invention;

FIG. 2 is a schematic plan view of the ramp section, the confluence section and the exit section of the urban tunnel according to the present invention;

FIG. 3 is a schematic front view of an urban tunnel ramp of the present invention;

FIG. 4 is a schematic view of a side wall of an urban tunnel ramp according to the present invention;

FIG. 5 is a schematic view of a main road side wall of the urban tunnel according to the present invention;

fig. 6 is a side schematic view of a bus bar nose end single-sheet hyperboloid warning post of the present invention.

1. A door frame type variable information board; 2. a common retroreflective sign; 3. an intelligent color-changeable annular outline strip; 4. a belt line; 5. inducing an arrow; 6. hyperbolic-shaped light reflecting strips; 7. obliquely arranging a vertical surface mark; 8. a lane indicator panel; 9. projecting a road sign; 10. vibrating a deceleration marking line; 11. a single-leaf hyperboloid warning post; 12. let the line go; 13. a left-hand curved arrow; 14. lane guide arrows.

Detailed Description

The technical solution of the present invention is described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to fig. 6, the urban tunnel ramp entrance area sight line induction system based on road right and human factors of the invention comprises a portal variable information board 1 arranged on a ramp section, a common retro-reflective traffic sign 2 arranged below the portal variable information board 1, an intelligent color-variable annular contour band 3 arranged on the ramp section, a girdle line 4, an induction arrow 5, a hyperbolic reflective strip 6, an oblique set-up surface mark 7 arranged on a main road and a ramp side wall, a lane indicating plate 8 arranged on a ramp entrance area, a continuous protruding road sign 9 arranged on an entrance ramp lane edge line, a vibration deceleration mark line 10 arranged on a ramp down section, a single-hyperboloid-shaped warning post 11 arranged on a nose end of a confluence area, a let line 12 and a left curved arrow 13 arranged on an acceleration lane, and a girdle line 4 arranged on a ramp side wall, and lane guide arrows 14 provided on the ground of the exit segment. The above constitutes the basic structure of the present invention.

By adopting the structure, the tunnel traffic information and the driving task become uniform, continuous and progressive layer by layer through the combined design of a series of traffic guidance and sight line induction facilities. In practical application, a driver can clearly see the real-time tunnel information of the portal frame type variable information plate 1 at a far end, namely, a range of 500m away from a ramp entrance, determine whether to enter a tunnel or not, complete driving operation according to road conditions and ensure the smoothness and order of traffic flow; a driver sees the common retro-reflection sign 2 clearly at the middle end, the line shape of a ramp at the entrance of the tunnel is determined, the direction sense and the speed sense are improved through a sight line induction facility of a ramp side wall and a road surface, and a lane is kept correctly and the speed and the distance of vehicles are controlled; the driver sees the hyperboloid warning post 11 of single-leaf clearly at the near-end, and the section of converging is being got into definitely, pays attention to let the main road traffic of going, guarantees confluence area safety and current efficiency.

In this embodiment, the portal frame type variable information board 1 is arranged at the starting point of the ramp downhill, portal columns on two sides of the portal frame type variable information board 1 are single-leaf hyperbolic surface-shaped shells, the middle part is thin, two ends are thick, the upper layer is the variable information board, and the lower layer is a common retro-reflection sign 2 for reflecting the name, height limit and line shape of the tunnel. By adopting the structure, the portal stand column of the single-leaf hyperboloid-shaped shell not only ensures good portal stability, but also increases the urban landscape effect, the portal variable information board 1 provides tunnel real-time road right information and traffic conditions for a driver, driving decisions can be made in advance, and meanwhile, the information of the height limit, the downhill and the like of the common retro-reflection mark 2 enhances the warning effect on the driver.

In this embodiment, the intelligent color-variable annular contour band 3 is arranged in an entrance ramp area, the cross section of the intelligent color-variable annular contour band is triangular, the top end of the triangle is provided with an LED lamp band, the intelligent color-variable annular contour band inclines in a direction opposite to the traveling direction by 15-20 degrees, the arrangement interval of the intelligent color-variable annular contour band is 15-30 m, and the variable colors are red, yellow and green. By adopting the structure, a driver can obtain the real-time traffic condition of the tunnel through the portal type variable information board 1 at the far end and decide to enter the tunnel or change the lane in advance, the three colors (red, yellow and green) displayed by the intelligent variable color annular outline belt 3 accord with the driving expectation of the driver in the color sense, and the intelligent variable color annular outline belt is more attractive, the inclination of the intelligent variable color annular outline belt can also increase the perception capability of the driver on the gradient, so that the driver is forced to actively reduce the speed and stably enter the tunnel.

In the embodiment, the color of the waistband line 4 of the main road is green, the converging section is set to be in a discontinuous arrow form, the front of the converging section and the outgoing section are both set to be in a continuous solid line form, the color of the waistband line 4 of the ramp is orange, two white induced arrow 5 combined patterns are continuously arranged on the waistband line 4 of the ramp, one white induced arrow 5 combined pattern is arranged at the inner side of the ramp at a distance of 3m, the other white induced arrow 5 combined pattern is arranged at the outer side of the ramp at a distance of 2.4m, the thickness of the hyperbolic-shaped reflective strip 6 is about 3-5 cm, the side surface is pasted with a retroreflective material, the side surface is inclined towards the lane direction by 10-15 degrees, and the hyperbolic standard equation is thatWhen the tunnel height is h, a is equal to 0.2,0.24]h,b∈[0.3,0.4]h, inclining the reverse driving direction by 15-20 degrees, wherein the ratio of the arrow combined pattern to the reflective strips is 2: 1. By adopting the structure, the belt lines 4 in different forms and colors are used for distinguishing the main road from the ramp, the ramp has the effects of indicating the driving direction and displaying the road profile through the belt lines 4, the induction arrows 5 and the hyperboloid LED reflective strips 6, and the main road is transformed through the belt lines 4 to remind a driver of the main road of driving into the confluence section and paying attention to the convergence of vehicles on the right side.

In this embodiment, the inclined set face mark 7 is arranged on the lower edge of a curb on the side wall of a ramp, the marking lines are orange-black inclined lines, the inclination angle is 60-75 degrees, the line width is 15cm, four ramp lines are arranged in a group, the distance between the inner sides of the ramp lines is 1m, the distance between the outer sides of the ramp lines is 0.8m, the lane indicator plate 8 is arranged at the top end of the opening area of the ramp and is 5-10m away from an opening, the protruded road sign 9 is arranged on the edge line of the ramp lane and is arranged at a distance of 10-12 m, the vibration deceleration marking lines 10 are arranged on a downhill road approach, the height of the protruded part is 5-7 mm, three ramp lines are continuously arranged in a group, and the distance of each group is 20-30 m. By adopting the structure, the lane sidelines can be clearly displayed, the ramp linearity is reflected, good linearity induction is provided for a driver, the vehicle is actively or passively decelerated by vibrating the deceleration marked line, and the speed of the vehicle entering the tunnel is controlled within a reasonable range.

In this embodiment, the upper and lower ends of the single-leaf hyperboloid-shaped warning post 11 gradually taper towards the middle, an arrow-shaped protrusion is formed in the middle, the color of the main body is red, adjacent stripes are respectively pasted with a specular reflection material and a retroreflective material, the arrow-shaped protrusion is pasted with a 15-20 cm yellow retroreflective reflective film, a background is pasted with a specular reflection material, the arrow-shaped protrusion is arranged at the nose end of the confluence area of the tunnel, the height of the arrow-shaped protrusion is in a gradual change form of 1.8m, 1.6m, 1.4m, 1.2m and 1.0m along the driving direction, and the distance is 3-5 m and the arrow-shaped protrusion is arranged in a straight line. By adopting the structure, the single-sheet double-curved-surface warning column 11 has better structural stability, the adjacent stripes of the main body are respectively adhered with the mirror surface reflection material and the retro-reflection material, the light reflection area is increased by the arrow-shaped bulges at the middle part, the large-angle retro-reflection reflective film is adhered to the arrow-shaped bulges, and the mirror surface reflection material is adhered to the background, so that the mirror surface reflection and the retro-reflection can be realized simultaneously; and the height of the single-sheet double-curved-surface warning post 11 is set so that the reflected light is concentrated in the range of 1-1.8 m away from the road surface, the sight height of common vehicle-shaped drivers in urban tunnels is met, the visibility of facilities is improved, and the drivers in main roads and ramps are warned to pay attention to confluence safety.

In this embodiment, the passing line 12 is disposed in the middle of the acceleration lane and on the ground near the tail end, and is composed of a plurality of continuous white inverted triangles, the width of the bottom of each inverted triangle is 50-60 cm, the height of each inverted triangle is 100-120 cm, the distance between the inverted triangle and the ground is 30-50 cm, the left-hand arrow 13 is disposed 1-3 m behind the passing line 12, and the lane indication arrow 14 is disposed on the ground at the starting point of the exit section. By adopting the structure, the driver is warned that the driver enters the acceleration lane of the confluence section, the main road traffic is given attention, and the insertion gap is searched as soon as possible under the safe condition so as to be converged leftwards in time.

In this embodiment, the variable information board 1, the waistband line 4, the oblique vertical mark 7 and the traffic line 12 together form road right information of an entrance area of an urban tunnel ramp, and the intelligent color-variable annular contour band 3, the hyperbolic reflective strip 6 and the multi-flash-rate multi-scale information setting belong to the human factor category.

While the embodiments of the present invention have been described, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make various modifications without departing from the spirit and scope of the present invention as defined by the appended claims.