阅读说明：本技术 一种地下立交合流区视线诱导系统 (Underground vertical convergence zone sight line induction system ) 是由 杜志刚 梅家林 郑号染 倪玉丹 陈逸飞 于 2019-11-28 设计创作，主要内容包括：本发明涉及交通安全技术领域,特指一种地下立交合流视线诱导系统,包括侧墙视线诱导系统、标志诱导系统以及路面诱导系统,侧墙视线诱导系统由反光环、路缘立面标记、腰带线、诱导大箭头、诱导小箭头以及LED参照条构成；标志诱导系统由柔性警示柱、合流警告标志、让行标志以及隧道指示器构成；路面诱导系统由凸起路标、导流线、虚实转向箭头、让行标线、鱼刺形减速标线以及虚实标线构成。采用这样的结构设置,通过侧墙视线诱导系统、标志诱导系统以及路面诱导系统,有效改善驾驶员的视觉环境,增强次路交通流的诱导、指示的功效,提高合流区的通行效率,并且控制主路、次路车辆的车速和车距,提高合流区的安全性。(The invention relates to the technical field of traffic safety, in particular to an underground interchange confluence sight induction system, which comprises a side wall sight induction system, a sign induction system and a pavement induction system, wherein the side wall sight induction system consists of a reflective ring, a curb facade mark, a waistband line, an induction large arrow, an induction small arrow and an LED reference strip; the sign induction system consists of a flexible warning post, a confluence warning sign, a yielding sign and a tunnel indicator; the road surface induction system consists of raised road signs, flow guide lines, virtual and real steering arrows, traffic-giving marked lines, fishbone-shaped deceleration marked lines and virtual and real marked lines. By adopting the structure, the visual environment of a driver is effectively improved, the inducing and indicating effects of the secondary traffic flow are enhanced, the traffic efficiency of the merging area is improved, the speed and the distance of vehicles on the main road and the secondary road are controlled, and the safety of the merging area is improved through the side wall sight inducing system, the sign inducing system and the road surface inducing system.)

1. The utility model provides an underground interchange confluence sight induction system which characterized in that: the side wall sight induction system comprises a side wall sight induction system, a mark induction system and a pavement induction system, wherein the side wall sight induction system is composed of a reflection ring (1), a curb facade mark (3), a waistband line (7), an induction large arrow (8), an induction small arrow (9) and an LED reference strip (10); the sign induction system consists of a flexible warning post (13), a confluence warning sign (20), a yielding sign (21) and a tunnel indicator (30); the road surface induction system is composed of raised road signs (12), diversion lines (14), virtual and real steering arrows (22), yielding marked lines (23), fishbone-shaped deceleration marked lines (25) and virtual and real marked lines (26).

2. The underground interchange confluence sight line induction system according to claim 1, wherein: the light reflecting rings (1) comprise three blue light reflecting rings arranged on a main road side wall before the confluence of the tunnel, the setting interval of the three blue light reflecting rings is 40-50 m, three red light reflecting rings arranged on a secondary road side wall before the confluence of the tunnel, the setting interval of the three red light reflecting rings is 20-25 m, and four blue light reflecting rings arranged on the main road side wall after the confluence, and the setting interval of the four blue light reflecting rings is 40-50 m.

3. The underground interchange confluence sight line induction system according to claim 1, wherein: the curb facade marks (3) are arranged at the positions of the lower edges and the tops of the curb stones of the main curb and the secondary curb side walls, 2-4 m curb facade marks are arranged in the length of each 8-10 m curb, green-white intervals are arranged on the side walls of the main curb, and yellow-black intervals are arranged on the side walls of the secondary curb.

4. The underground interchange confluence sight line induction system according to claim 1, wherein: the waistband line (7) is set to be green on the main road side wall, and is set to be yellow on the secondary road side wall, and the waistband line (7) of the tunnel interweaving zone front section and the tunnel interweaving zone rear section are respectively provided with two white patterns for inducing small arrow (9) combination, and the setting interval is 4-5 m, and the waistband line (7) of the tunnel interweaving zone middle section is provided with large inducing arrow (8), and the setting interval is 8-10 m, and the side wall of the tunnel interweaving zone middle section is provided with white LED reference strip (10) containing arrows, and the setting interval is 40-50 m.

5. The underground interchange confluence sight line induction system according to claim 1, wherein: flexible warning post (13) is including setting up four flexible warning posts on nose position water conservancy diversion line (14), and it sets up the interval and is 2 ~ 3m, flexible warning post (13) body colour is red, adds the yellow reflective membrane, and its yellow reflective membrane length is degressive to 0.1 ~ 0.2m from 0.5 ~ 0.7m in proper order, is arrow point form setting.

6. The underground interchange confluence sight line induction system according to claim 1, wherein: the confluence warning sign (20) is arranged at the nose end, the main road on the pattern is black, the secondary road is yellow, the bottom plate of the confluence warning sign (20) is a white aluminum alloy plate, two yellow flashing lamps (40) capable of actively emitting light are respectively arranged on the oblique opposite angles of the white aluminum alloy plate, the light intensity of the yellow flashing lamps (40) is 30-50 cd, and the yellow flashing lamps light lights for 0.5-1.0 s each time.

7. The underground interchange confluence sight line induction system according to claim 1, wherein: the yielding sign (21) is arranged at the roadside positions of the front section and the tail section of the secondary road before the tunnel confluence, and the tunnel indicator (30) is arranged on the tunnel of the secondary road before the tunnel confluence and on the front section and the tail section of the main road before the tunnel confluence.

8. The underground interchange confluence sight line induction system according to claim 1, wherein: the raised road signs (12) are arranged on the tunnel edge lines of the main road and the secondary road, the distance between the raised road signs and the tunnel edge lines is 8-10 m, virtual-real turning arrows (22) are arranged on the secondary road, the straight line portions of the virtual-real turning arrows adopt dotted lines, the arrow portions adopt solid lines, and the yielding marked lines (23) are arranged on the secondary road.

9. The underground interchange confluence sight line induction system according to claim 1, wherein: the fishbone-shaped deceleration marked lines (25) are arranged on the road surfaces of the main road and the secondary road before the confluence of the tunnels, the distance between the fishbone-shaped deceleration marked lines is 40-50 m, the inner angle of the fishbone-shaped deceleration marked lines is 45-60 degrees, the outer angle of the fishbone-shaped deceleration marked lines is 90-120 degrees, and the virtual marked lines (26) are gradually reduced from the width of 1-2 m at the nose end to the width of 20-40 cm at the edge line of the main tunnel.

10. The underground interchange confluence sight line induction system according to claim 1, wherein: the induced small arrows (9) on the waistband line (7) are arranged at intervals of 4-5 m to form high-frequency visual information flow with the frequency of 3.0-4.5 hz, the arrangement intervals of the curb elevation marks (3), the induced large arrows (8) and the raised road signs (12) are 8-10 m to form medium-frequency visual information flow with the frequency of 1.5-2.0 hz, and the arrangement intervals of the main road reflection ring (1), the LED reference strips (10) and the fishbone-shaped deceleration marked lines (25) are 40-50 m to form low-frequency visual information flow with the frequency of 0.3-0.4 hz.

Technical Field

The invention relates to the technical field of traffic safety, in particular to an underground interchange confluence sight line induction system.

Background

At present, on one hand, with the increasing construction of more and more tunnels, underground overpasses and intersections in cities, on the other hand, the traffic environment of the tunnels is very complex, the traffic flow of the urban tunnels in peak hours is very large, and the research on the traffic flow system theory of the urban underground overpass areas is lacked, so that the driving difficulty of drivers is often caused due to the lack of layering, systematicness and accuracy of road indicating information, the congestion and traffic accidents of the underground overpasses are caused, and the traffic environment of the areas is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an underground interchange confluence sight line induction system, which improves the visual environment of a driver, enhances the induction and indication effects of a secondary traffic flow, improves the traffic efficiency of a confluence area, controls the speed and the distance of vehicles on a main road and a secondary road, and improves the safety of the confluence area.

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

an underground interchange confluence sight induction system comprises a side wall sight induction system, a sign induction system and a pavement induction system, wherein the side wall sight induction system consists of a reflective ring, a curb facade mark, a waistband line, a large induction arrow, a small induction arrow and an LED reference strip; the sign induction system consists of a flexible warning post, a confluence warning sign, a yielding sign and a tunnel indicator; the road surface induction system consists of raised road signs, flow guide lines, virtual and real steering arrows, traffic-giving marked lines, fishbone-shaped deceleration marked lines and virtual and real marked lines.

Further, the reflective rings comprise three blue reflective rings arranged on the main side wall before the tunnel confluence and having an interval of 40-50 m, three red reflective rings arranged on the secondary side wall before the tunnel confluence and having an interval of 20-25 m, and four blue reflective rings arranged on the main side wall after the confluence and having an interval of 40-50 m.

Further, the curb facade marks are arranged at the positions of the lower edges and the tops of the curb stones on the main road side wall and the secondary road side wall, 2-4 m curb facade marks are arranged in each 8-10 m curb length, green-white interphase curb facade marks are arranged on the side wall of the main road, and yellow-black interphase curb facade marks are arranged on the side wall of the secondary road.

Further, the waistband line is set to be a green waistband line on the side wall of the main road, the waistband line is set to be a yellow waistband line on the side wall of the secondary road, two white patterns for inducing small arrow combinations are respectively arranged on the waistband lines of the front section of the tunnel interweaving area and the rear section of the tunnel interweaving area, the setting interval is 4-5 m, large inducing arrows are arranged on the waistband line of the middle section of the tunnel interweaving area, the setting interval is 8-10 m, white LED reference strips containing arrows are arranged on the side wall of the middle section of the tunnel interweaving area, and the setting interval is 40-50 m.

Further, flexible warning post is including setting up four flexible warning posts on nose position water conservancy diversion line, and it sets up the interval and is 2 ~ 3m, and flexible warning post body colour is red, adds yellow reflective membrane, and its yellow reflective membrane length subtracts progressively from 0.5 ~ 0.7m to 0.1 ~ 0.2m in proper order, is arrow head form setting.

Further, the confluence warning sign is arranged at the nose end, the main road of the confluence warning sign is a black mark, the secondary road of the confluence warning sign is a yellow mark, a bottom plate of the confluence warning sign is made of a white aluminum alloy plate, two yellow flashing lamps capable of actively emitting light are respectively arranged on the diagonal corners of the white aluminum alloy plate, the light intensity of the yellow flashing lamps is 30-50 cd, and the yellow flashing lamps are lighted for 0.5-1.0 s each time.

Further, the giving mark is arranged at the road side position of the front section of the secondary road and the tail section of the secondary road before the tunnel confluence, and the tunnel indicator is arranged on the tunnel of the secondary road before the tunnel confluence and arranged on the tunnel of the front section of the main road and the tail section of the main road before the tunnel confluence.

Furthermore, the raised road signs are arranged on the edge lines of the tunnels of the main road and the secondary road, the distance between the raised road signs and the edge lines of the tunnels of the main road and the secondary road is 8-10 m, the virtual-real turning arrows are arranged on the secondary road, the straight line portions of the virtual-real turning arrows are dotted lines, the arrow portions are solid lines, and the traffic marking lines are arranged on the secondary road.

Further, the fishbone-shaped deceleration marked lines are arranged on the road surface of the main road and the secondary road before the confluence of the tunnel, the distance is 40-50 m, the inner angle is 45-60 degrees, the outer angle is 90-120 degrees, and the virtual marked lines and the real marked lines are gradually reduced from the width of 1-2 m at the nose end position to the width of 20-40 cm at the edge line of the main tunnel.

Furthermore, the small inducing arrows on the belt line are arranged at intervals of 4-5 m to form a high-frequency visual information flow with the frequency of 3.0-4.5 hz, the arrangement intervals of the curb elevation marks, the large inducing arrows and the raised road signs are 8-10 m to form a medium-frequency visual information flow with the frequency of 1.5-2.0 hz, and the arrangement intervals of the main road reflection rings, the LED reference bars and the fishbone-shaped deceleration marked lines are 40-50 m to form a low-frequency visual information flow with the frequency of 0.3-0.4 hz.

The invention has the beneficial effects that:

1) according to the invention, a side wall sight line induction system is adopted, a green waistband line is arranged on a main road side wall, a yellow color is arranged on a secondary road side wall, a large induction arrow is arranged on the waistband line in a confluence area, small induction arrows are arranged on waistband lines at other places, the main road edge marks are in green-white interphase, the secondary road edge marks are in yellow-black interphase, sight line induction is carried out on a driver by using the waistband line and the arrow above, different colors are simultaneously arranged to distinguish the main road and the secondary road, the size of the arrow distinguishes the confluence area and other areas, the driver can conveniently distinguish, and the identification of the confluence area is improved;

2) the invention adopts a mark induction system and a confluence warning mark pattern, wherein a main road is a black thick line, a secondary road is a yellow thin line and corresponds to a belt line of the secondary road, so that the confluence warning mark is convenient for a driver to understand, and an actively luminous yellow flashing lamp is adopted, so that the recognition of the confluence warning mark is improved, the driver can conveniently perform corresponding operation in advance;

3) the invention adopts a road surface inducing system, and reminds a driver to pay attention to safety by utilizing the diversion lines and the virtual and real marking lines, improves the vigilance, and plays a role in controlling, guiding and warning traffic. The virtual-real marked lines and the virtual-real turning arrows from thick to thin can better guide secondary road drivers to penetrate into the main road at the middle and rear sections of the confluence area, and avoid the secondary road congestion at the nose caused by stopping at the front and rear sections;

4) the invention adopts a multi-frequency omnibearing information flow system, high-frequency middle position information-an induced small arrow, medium-frequency middle position information-an induced large arrow, medium-frequency low position information-curb elevation marks and raised road signs, low-frequency omnibearing information-an LED reference strip and a reflective ring, and low-frequency low position information-a fishbone-shaped deceleration marking, wherein the multi-frequency omnibearing information establishes a strong visual reference system, so that the psychological perception speed of the driver in driving is superior to the actual physical speed, thereby ensuring the driving safety;

5) the invention utilizes the principle of back reflection on the waistband line, the curb facade mark, the flexible warning post and the fishbone-shaped deceleration mark line, adopts the road traffic mark and the sight line induction mark which are formed by low-cost high-reflection light, does not relate to large-scale road infrastructure, has less investment, easy construction and quick response, ensures the warning performance and the inductivity of a driver in a tunnel, utilizes a yellow flashing lamp on the confluence warning mark, is provided with a tunnel indicator on the tunnel, ensures the visibility of traffic information under the dark environment in the tunnel, improves the visual environment of the driver, leads a secondary driver to find the corresponding mark in advance, and clearly makes confluence behavior in enough time to ensure the quick and safe passing of vehicles on the main road and the high-efficiency passing of vehicles on the main road in the low-cost mode of increasing the corresponding traffic mark and the induction mark, thereby realizing the safe passing of traffic in the confluence area of the underground interchange, High efficiency and stability;

6) through experimental verification, the invention finds that the LED reference strip, the waistband line, the curb elevation mark and the fishbone-shaped deceleration marking line are arranged in the tunnel confluence area, can really improve the alertness of a driver, improve the vehicle speed control capability of the driver, and are beneficial to the driving safety of vehicles.

Drawings

FIG. 1 is a schematic plan view of a method for inducing sight in an underground vertical intersection flow zone;

FIG. 2 is a schematic side view of a sidewall of an underground interchange confluence region;

FIG. 3 is a schematic front view of a main road of an underground interchange;

FIG. 4 is a side schematic view of a nose end flexible warning post;

FIG. 5 is a schematic view of a confluence warning flag;

FIG. 6 is a schematic diagram of a yield flag.

1. A light reflecting ring; 3. marking a curb elevation; 7. a belt line; 8. inducing a big arrow; 9. inducing a small arrow; LED reference bar; 12. raising the road sign; 13. a flexible warning post; 14. a diversion line; 20. a confluence warning sign; 21. marking a yield line; 22. virtual-real turning arrow heads; 23. marking lines in rows; 25. fishbone-shaped deceleration marked lines; 26. marking lines of deficiency and excess; 30. a tunnel indicator; 40. a yellow flashing light.

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 6, the underground interchange confluence sight induction system of the present invention comprises a side wall sight induction system, a sign induction system and a pavement induction system, wherein the side wall sight induction system is composed of a reflective ring 1, a curb facade mark 3, a waistband line 7, an induction large arrow 8, an induction small arrow 9 and an LED reference strip 10; the sign guidance system is composed of a flexible warning post 13, a confluence warning sign 20, a yielding sign 21 and a tunnel indicator 30; the road surface guidance system is composed of raised road signs 12, a diversion line 14, virtual and real turning arrows 22, a traffic-giving marked line 23, fishbone-shaped deceleration marked lines 25 and virtual and real marked lines 26. The above constitutes the basic structure of the present invention.

By adopting the structural arrangement, the side wall sight line induction system consisting of the reflective ring 1, the curb facade mark 3, the belt line 7, the large induction arrow 8, the small induction arrow 9 and the LED reference strip 10 realizes the outline induction of the tunnel confluence area, improves the visual environment in the tunnel, facilitates the driver to distinguish road information due to different colors of primary and secondary roads, and improves the driving comfort of the driver; the flexible warning post 13, the confluence warning sign 20, the yielding sign 21 and the tunnel indicator 30 form a sign inducing system to realize the advance notice and warning for the driver, reasonably guide the traffic flow and improve the traffic efficiency; the road surface induction system consisting of the convex road signs 12, the diversion lines 14, the virtual and real steering arrows 22, the traffic guidance marking 23, the fishbone-shaped deceleration marking 25 and the virtual and real marking 26 conducts linear induction on the driver, so that the control of the driver on the driving speed is increased, and the collision of the front vehicle is avoided.

The system for inducing the confluence sight of the underground interchange is suitable for the road section of the confluence area of the urban underground interchange with the speed limit of 60km/h, can improve the visual environment and the driving comfort of a driver, ensures the confluence driving safety of vehicles on a main road and a secondary road, and improves the traffic efficiency of the confluence area.

More specifically, the reflective rings 1 include three blue reflective rings arranged on the main side wall before the tunnel confluence and having an interval of 40-50 m, three red reflective rings arranged on the secondary side wall before the tunnel confluence and having an interval of 20-25 m, and four blue reflective rings arranged on the main side wall after the confluence and having an interval of 40-50 m. By adopting the structure, different road sections are distinguished by using different colors, so that the outline induction of the tunnel is enhanced and the guidance of information in the tunnel is improved.

More specifically, the curb elevation marks 3 are arranged at the positions of the lower edges and the tops of the curb stones on the main road and the secondary road side walls, 2-4 m curb elevation marks are arranged in the length of each 8-10 m curb, green-white alternate curb elevation marks are arranged on the side walls of the main road, and yellow-black alternate curb elevation marks are arranged on the side walls of the secondary road.

In practical application, the side wall is set with green-white alternate curb facade marks on the main road side, namely the front 1/3 is white, the middle 1/3 is green, and finally 1/3 is white.

In practical application, the secondary side wall is set as a yellow-black interphase curb elevation mark, namely the front 1/3 is black, the middle 1/3 is yellow, and the final 1/3 is black.

By adopting the structure, the road right of the inner space of the tunnel is clearer, the main road and the secondary road are distinguished by adopting different color differences, and the curb elevation marks 3 are arranged on the curb of the tunnel at intervals, so that the material is saved, an intermediate frequency information flow is formed, and the speed of a driver can be conveniently controlled.

More specifically, the waistband line 7 is set to be a green waistband line on the side wall of the main road, a yellow waistband line is set on the side wall of the secondary road, two white patterns combined by small inducing arrows 9 are respectively arranged on the waistband lines 7 of the front section and the rear section of the tunnel interweaving region, the setting interval is 4-5 m, large inducing arrows 8 are arranged on the waistband lines 7 of the middle section of the tunnel interweaving region, the setting interval is 8-10 m, white LED reference strips 10 containing arrows are arranged on the side wall of the middle section of the tunnel interweaving region, and the setting interval is 40-50 m. With the structure, the effect of indicating the driving direction is achieved through the belt line 7, the large induced arrow 8, the small induced arrow 9 and the white LED reference bar 10 containing the arrows.

In practical application, the waistband line and the arrow on the waistband line are used for conducting sight line induction on a driver, different colors are set for distinguishing the main road and the secondary road, the size of the arrow distinguishes the merging area from other areas, the driver can conveniently distinguish the merging area, and the recognition of the merging area is improved.

More specifically, flexible warning post 13 is including setting up four flexible warning posts on nose position water conservancy diversion line 14, and it sets up the interval and is 2 ~ 3m, and flexible warning post 13 body colour is red, adds the yellow reflective membrane, and its yellow reflective membrane length subtracts progressively from 0.5 ~ 0.7m to 0.1 ~ 0.2m in proper order, is arrow head form setting. Adopt such structure setting, play the effect of marking the driving direction through flexible warning post 13 and water conservancy diversion line 14.

More specifically, the confluence warning mark 20 is disposed at the nose, the main road of the pattern is black, the secondary road is yellow, the bottom plate of the confluence warning mark 20 is a white aluminum alloy plate, two yellow flashing lamps 40 capable of actively emitting light are respectively disposed on the diagonal corners of the white aluminum alloy plate, the light intensity of the yellow flashing lamps 40 is 30-50 cd, and the yellow flashing lamps are lighted for 0.5-1.0 s each time. With this arrangement, the merging warning sign 20 facilitates the driver to distinguish the main road from the sub road, and the yellow flashing light 40 improves the visibility of the merging warning sign 20.

More specifically, the yielding flag 21 is provided at the roadside positions of the front and end sections of the secondary road before the tunnel confluence, and the tunnel indicator 30 is provided on the tunnel of the secondary road before the tunnel confluence and on the front and end sections of the primary road before the tunnel confluence. With the arrangement, the yield mark 21 can remind the secondary road driver of giving way.

In practice, the tunnel indicator 30 gives a green indication arrow pointing downwards for the tunnel that is allowed to pass. The visual environment of the driver is improved, the driver can conveniently know the tunnel condition, the cognitive ability of the driver on tunnel change is improved, the visual distance of the driver is improved, the hierarchy and systematicness of the road information of the confluence area are improved, and the traffic efficiency of the confluence area is improved.

More specifically, the raised road signs 12 are arranged on the edge lines of the tunnels of the main road and the secondary road, the arrangement distance is 8-10 m, the virtual-real turning arrow 22 is arranged on the secondary road, the straight line part of the virtual-real turning arrow adopts a dotted line, the arrow part adopts a solid line, and the traffic marking line 23 is arranged on the secondary road. By adopting the structure, a secondary road driver can be better guided to penetrate into the main road at the middle and rear sections of the confluence area, and the secondary road at the nose end is prevented from being blocked due to stopping at the front and rear sections.

More specifically, the fishbone-shaped deceleration marked lines 25 are arranged on the road surface of the main road and the secondary road before the confluence of the tunnel, the distance between the fishbone-shaped deceleration marked lines is 40-50 m, the inner angle of the fishbone-shaped deceleration marked lines is 45-60 degrees, the outer angle of the fishbone-shaped deceleration marked lines is 90-120 degrees, and the virtual marked lines 26 are gradually reduced from the width of 1-2 m at the nose end position to the width of 20-40 cm at the edge line of the main tunnel. With this arrangement, the driver is prompted to decelerate through the fishbone-shaped deceleration marked line 25. The driver is reminded to distinguish the junction of the main road and the secondary road through the virtual and real marked lines 26.

More specifically, the small inducing arrows 9 on the belt line 7 are arranged at an interval of 4-5 m to form a high-frequency visual information stream with a frequency of 3.0-4.5 hz, the curb elevation marks 3, the large inducing arrows 8 and the raised road signs 12 are arranged at an interval of 8-10 m to form a medium-frequency visual information stream with a frequency of 1.5-2.0 hz, and the main road reflection rings 1, the LED reference bars 10 and the fishbone-shaped deceleration marked lines 25 are arranged at an interval of 40-50 m to form a low-frequency visual information stream with a frequency of 0.3-0.4 hz. By adopting the structure, a strong visual reference system is established by the multi-frequency omnibearing information, so that the psychological perception speed of the driver in driving is superior to the actual physical vehicle speed, and the driving safety is ensured.

It should be noted that the invention utilizes the principle of retro-reflection on the curb facade mark 3, the belt line 7, the flexible warning post 13 and the fishbone-shaped deceleration marking 25, adopts the road traffic mark and the sight line induction mark which are formed by low-cost and high-reflection light, does not relate to large-scale road infrastructure, has less investment, easy construction and quick effect, and ensures the warning performance and the inductivity to the drivers in the tunnel; yellow flashing lamps 40 are utilized on the confluence warning signs 20, tunnel indicators 30 are arranged on the tunnel, the visibility under the dark environment in the tunnel is ensured, the visual environment of a driver is improved, secondary road drivers can find corresponding signs in advance, sufficient time is provided for making confluence behaviors, low-cost modes of corresponding traffic signs and induction signs are increased, the rapid and safe passing of vehicles on a main road is ensured, the vehicles on the secondary road efficiently penetrate the main road, the safety, the efficiency and the stability of the traffic in an underground interchange confluence area are realized, and low-carbon and energy-saving effects are realized simultaneously.

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.