CN108797415A - A kind of urban road intersection is traffic sign and marked and its location determining method - Google Patents
A kind of urban road intersection is traffic sign and marked and its location determining method Download PDFInfo
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/576—Traffic lines
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/002—Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
- E01F9/518—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces formed in situ, e.g. by painting, by casting into the road surface or by deforming the road surface
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- Architecture (AREA)
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- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention belongs to road signs technical fields, disclose that a kind of urban road intersection is traffic sign and marked and its location determining method, for guiding vehicle traveling direction, have the characteristics that successional, the spatial cognition psychology for being conducive to enhance driver, corrects the wrong visual imagery and its orientation idea of people, slows down anxiety and fascination caused by Path selection judges, and then the mental fatigue caused, it forms for a long time effectively memory and judges.Some simple parameters only need to be simply measured using the method for the present invention, you can determine the future range of traffic sign, and then mark plate color indication item and road surface colour guiding graticule are set, to guide driver to need rationally parking by advancing.City traffic management department can be set up according to this method and spray manages the traffic sign and marked of best results.The color sign graticule principle of the present invention is simple, and difficulty of construction is low and speed is fast, and construction investment is few, is conducive to promote and apply.
Description
Technical field
The invention belongs to road signs technical field more particularly to a kind of urban road intersection traffic sign marks
Line and its location determining method.
Background technology
Road signs are to transmit specific information, pavement strip to traffic participant with graphical symbol, color and word
The effects that induction, shunting, prompt or limitation are provided mainly is travelled to vehicle, to ensure the normally travel of vehicle on road, is kept away
Exempt from traffic accident.The position of traffic sign setting rationally whether will be related to the performance of blip facility.Due to driver
There is certain time limit to the memory of flag information, if traffic sign future range is too long, driver is in a long time not yet
At the time of arrival needs to change driving behavior, then memory of the flag information in their brains will thicken, to sentence
It is disconnected to change driving mode, more serious distrust that be certain to mark generation；If future range setting is too short, that
Driver does not have the sufficient time to change traveling behavior, indicates at this time as illusory, that is, scientific and reasonable setting is required to hand over
Position of the logical mark positioned at crossing inlet road.Traffic sign is generally used cooperatively with traffic marking, is transmitted to traffic participant
Road information.The characteristics of traffic sign is dotted setting, and is arranged other than road surface, and the information of reflection is more accurate, but has
The discontinuous feature of information；For opposite traffic sign, traffic marking is band-like, is injected on road surface, and information is more continuous,
Driver concentrates on road surface the overwhelming majority time in traveling process, not will disperse the attention of driver not only, but also one
The effect for interior its attention Path selection of performance persistent reminder of fixing time.But current traffic marking color is single, substantially white
Or yellow, and apply to streak journey and lack and be considered as a whole with traffic sign placement, the joint for both causing to be unable to give full play guides work(
Can, thus an urgent demand fully considers being complementary to one another for the two function in the traffic sign and marked setting of urban road intersection
And carry out co-design.
In conclusion problem of the existing technology is：Traffic marking color is single at present, substantially white or yellow
Color, and apply to streak journey and lack and be considered as a whole with traffic sign placement, cause the joint guiding function for being unable to give full play the two.
Invention content
In view of the problems of the existing technology, the present invention provides a kind of urban road intersection it is traffic sign and marked and
Its location determining method.
The invention is realized in this way a kind of urban road intersection is traffic sign and marked, the urban road intersection
It is traffic sign and marked to guide graticule and roadside traffic sign mark plates to form by road surface colour；Road surface colour guiding graticule setting is expert at
Lane center, the guiding arrow that turns left is red, and guiding arrow of turning right is green, and straight trip guiding arrow is yellow, and road surface colour draws
45 centimetres of beacon line length, 7 centimetres wide, each entrance driveway track is arranged three road surface colours and guides graticule, is respectively arranged at traffic
At mark supports, forbid changing at lane line initial position and stop line, guiding graticule is drawn with reflectorized material.
Further, the traffic sign and marked roadside traffic sign mark plates of the urban road intersection are set to pavement one
Side, the face of the color of the arrow and Chinese character in instruction direction and road surface colour guiding graticule guiding arrow in roadside traffic sign mark plates
Color is consistent, and the colored bar of roadside traffic sign mark plates mark below the Chinese character in instruction direction, color is marked with the guiding of road surface colour
Line guides the solid colour of arrow, bar to be drawn with reflectorized material.
Another object of the present invention is to provide a kind of roadside traffic that the urban road intersection is traffic sign and marked
Sign board location determining method, the roadside traffic sign mark plates position Ds：
In formula：E0It indicates to move eyesight under normal condition；H indicates that traffic sign word is high (mm)；α indicate driver's eyes with
The line at sign board center and the angle (°) of road plane；γ0Indicate traffic sign corner (°)；H indicates traffic sign center
To the vertical range (m) on ground；G indicates driver to the vertical range (m) of trackside； V1It indicates to recognize speed when reading traffic sign
It spends (km/h)；V2Indicate the speed (km/h) after taking action；F indicates coefficient of rolling resistance；I indicates road longitudinal grade (%)；
Indicate attachment coefficient on road surface；N indicates lane changing number；t1Indicate mark depending on recognizing the time (s)；t2Indicate the reaction time (s)；
t3Indicate the time (s) needed when track of transformation.
For guiding vehicle traveling direction after the intersection traffic marking coloring of the present invention, have the characteristics that it is successional,
The spatial cognition psychology for being conducive to enhance driver, corrects the wrong visual imagery and its orientation idea of people, slows down because of path
Selection judges to cause anxiety and fascination, and then the mental fatigue caused, forms for a long time effectively memory and judge.Use this hair
Bright method only need to simply measure some simple parameters, you can determine the future range of traffic sign, and then mark is arranged
Plate color indication item and road surface colour guide graticule, to guide driver to need rationally parking by advancing.Urban traffic control portion
Door can be set up according to this method and spray manages the traffic sign and marked of best results.The color sign graticule principle of the present invention
Simply, difficulty of construction is low and speed is fast, and construction investment is few, is conducive to promote and apply.
Description of the drawings
Fig. 1 is traffic sign provided in an embodiment of the present invention depending on recognizing model schematic.
Fig. 2 is traffic sign distance of visual cognition schematic diagram provided in an embodiment of the present invention.
Fig. 3 is color sign reticle design schematic diagram provided in an embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to this hair
It is bright to be further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
The principle of the invention is simple, construction investment is few, difficulty of construction is low and speed is fast, conducive to the urban road of popularization and application
Method for joint design of colorized traffic sign and marked lines at intersection.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
Embodiment 1：In conjunction with Fig. 1-Fig. 3, urban road intersection colour of the present invention is traffic sign and marked, it is by road surface
What colour guiding graticule and roadside traffic sign mark plates formed, it is characterised in that：Road surface colour guiding graticule is arranged in runway
Centre, the guiding arrow that turns left is red, and guiding arrow of turning right is green, and straight trip guiding arrow is yellow, and road surface colour guides graticule
45 centimetres long, 7 centimetres wide, each entrance driveway track is arranged three road surface colours and guides graticule, is respectively arranged at traffic mark board
Support element at, forbid changing at lane line initial position and stop line, color is drawn with reflectorized material.Roadside traffic sign
It is set to pavement side, marks colored bar below the Chinese character in instruction direction on mark plate, color is colored with road surface
The solid colour of the guiding arrow of graticule is guided, bar is with guiding graticule with reflectorized material spray.
Method for joint design of colorized traffic sign and marked lines at intersection of urban road of the present invention, the roadside traffic sign
The position of board is determined by following formula：
Embodiment 2：It, can be mutual with the traffic sign of dotted setting since traffic marking is continuously arranged in conjunction with Fig. 1-Fig. 3
It makes up, i.e., makes up the discontinuous disadvantage of mark plate information using colored graticule.The present invention make full use of color identification,
The strong feature of sensibility is applied and draws colored traffic marking, rationally determine the installation position of intersection traffic sign, and indicating
Air brushing colour bar on plate coordinates guided path, i.e., a kind of color to indicate a traveling road with ground colour guiding graticule
Diameter, with the orderly stagnation of movement of motor vehicles, unobstructed traveling at guided crossover mouth.
The present invention includes the traffic sign future range D in crossing inlet roadsCalculation formula, arrow of keeping straight on
The setting c for bar of keeping straight on g and direction board, left-hand rotation bar e on the setting f and direction board of left-hand rotation arrow are set, it is right
Turn installation position i, j, k of right-hand rotation bar d and road surface guiding graticule on arrow h and direction board.
Method for joint design of colorized traffic sign and marked lines at intersection of urban road of the present invention, comprises the steps of：
(1) bright viewing distance is set as S, and it is E that eyesight is moved under normal condition0, a height of h of traffic sign word, driver's eyes with hand over
The line at logical mark center and the angle of road plane are α, and traffic sign corner is γ0, traffic sign center to driver's eye
The vertical range of eyeball is H, and the vertical range of plane where driver to traffic sign is g, and the height of traffic mark board is q, is recognized
Speed when reading traffic sign is V1, the speed after taking action is V2, changing Lane number is n, road longitudinal grade i, rolls resistance
Force coefficient f, attachment coefficient on road surfaceH (s) flag information amounts, t1To indicate depending on recognizing the time, t2For time of driver's reaction,
t3For lane changing time of driver, t11To read on mark plate the time required to content, ω1For language correction factor,
ω2For complexity of Chinese character correction factor, μ is information handling rate.
(2) traffic sign is established depending on recognizing model
Driver will undergo discovery depending on recognizing traffic sign, recognize the processes such as reading, understanding and action, according to " recognizing reading-reaction "
It is as shown in Figure 1 depending on recognizing model that process builds traffic sign.It is assumed that indicating that S is roadside sign in figure, sent out at A in driving process
Now indicate S, since B light can see clearly logo content and read flag information, flag information, this section of B to C are run through when to C points
Distance referred to as mark, which is recognized, reads distance l；After running through mark, driver starts to make respective reaction in C points, and traveling to D points has been reacted
Finish, this segment distance is known as reaction distance j；Driver need to complete changing Lane, change the actions such as direction, deceleration or parking later,
The distance that point E is completed from action limit D to action is known as the distance L that takes action.From B points to mark S distance be known as indicate depending on recognize away from
From s, physical significance be driver certain apart from it is outer can clearly recognizable mark meaning.Indicate S to action completion point E away from
From referred to as traffic sign future range Ds。
(3) traffic sign future range calculating parameter is demarcated
Mark, which is recognized, reads distance l：Traffic sign regard recognize time t1 as with regarding reading the corresponding time of vehicle operation of distance l,
It is directly related with flag information amount to be worth size, is defined as：
The unit of mark plate information is bit, if containing j=1 in information source s, 2,3 ..., n mutually independent different letters
Number, wherein signal sjThe frequency of appearance is pj, then the gross information content H (s) for including in information source s is：
The average case and drive safety for considering driver read information content required time t on mark plate11It takes
Certainly 2.5s is can be taken as below the number of words on sign board, 10 Chinese characters of general driver.To language correction factor ω1And Chinese character
Complexity correction factor ω2For, 10 strokes of Chinese characters and following ω12 are taken, using Chinese character most complicated on mark plate as object, 10 strokes
Following ω2Take 1,10~15 strokes of ω21.1 are taken as, the then ω more than 15 strokes2It is taken as 1.2.The information handling rate μ of China driver
It can be taken as 4bit/s.
Traffic sign, which is recognized, reads distance l satisfactions：
Reaction distance j：After driver runs through mark, reaction time t2The distance that interior vehicle crosses is reaction distance j,
It is worth size to meet：
Distance of taking action L：It understands after flag information driver and takes corresponding measure according to logo content, including changing Lane,
Slow down etc., until resting against at stop line, the distance travelled in this period meets：
Distance of visual cognition s：Mark distance of visual cognition s refers to from reading starting point is recognized to the distance traffic sign, and value size determines
Whether driver has the sufficient time to recognize reading traffic sign.In conjunction with the geometrical relationship in Fig. 2, can obtain traffic sign depending on recognize away from
From satisfaction：
(4) traffic sign future range D is calculateds
In order to make driver slow down according to logo content before intersection, changing Lane or take other requisite measures,
Traffic sign should be arranged at a certain distance from before away from intersection parking line, this distance referred to as traffic sign future range, note
For Ds.By traffic sign depending on recognizing D known to model (Fig. 1)sMeet：
Ds=L+j+l-s；
On the basis of above-mentioned calculating parameter is analyzed, can further it obtain：
It is another it should be noted that：Since road signs belong to the visitor that short time interior energy attracts attention but easily forgets
D is arranged in body, future rangesThe vehicle operator to pass through herein can not be given clearly to instruct greatly very much, therefore this method is using
When institute's result of calculation need to be done to the limitation of certain maximum value.The influence subsided is remembered to reduce driver, with reference to domestic foreign minister
Regulation is closed, traffic sign future range D is limitedsNo more than 500m, both meet Ds≤500m。
(5) co-design of colored guiding graticule and bar
Present invention aims at colored traffic sign and marked co-design sides at a kind of urban road intersection of offer
Method, according to future range DsAfter setting traffic sign, the coloured silk on further spray road surface colour guiding marking and sign plate is needed
Color bar.Crossing inlet road surface colour guiding graticule, which is applied, to be drawn in lane center, and 40-50cm, wide about 6~8cm are about,
Each entrance driveway track preferably be arranged 3, be respectively arranged at traffic sign support element, forbid variation lane line initial position and
At stop line.Vehicle traveling direction is indicated using arrow form, with guiding graticule air brushing of turning left at red, guiding graticule of turning right
Air brushing is at green, straight trip guiding graticule spray yellowly.How much mark plate area sets according to the information content in traffic sign
It sets.The colored bar of mark below mark plate instruction Chinese character, bar color and the colored guiding of air brushing on the track of road surface are marked
The solid colour of line, to guide track orderly to be stopped and advanced by travel direction, as shown in Figure 3.To enhance night traffic mark
The traffic guiding function of will graticule, ground colour guiding graticule, mark plate Chinese character information and colored bar are all made of reflective material
Material air brushing forms.
Embodiment 3：In conjunction with Fig. 1, traffic sign future range DsComputational methods and colored guiding graticule, colored instruction
The application case of the setting of item (with case shown in Fig. 3)：
1. mark, which is recognized, reads distance l calculating
12 Chinese characters on sign board, total stroke are more than 15, then t1Take 2.5, w1Take 2, w2Take 1.2.12 Chinese characters are divided into 6
Group, the road frequency of occurrences are 1/3, and Huang, river, the river frequency of occurrences are 1/6, and long, the pearl frequency of occurrences is 1/12, then
Take driver information processing speed
Rate is 4bit/s, then reading time is 2.4183/4=0.61s；
Thus t is obtained1=2.5 × 2 × 1.2+0.61=6.61s；
It is 60km/h to take urban road travel speed, then mark recognizes reading distance
2. reaction distance j is calculated
It takes and judges the time for 3.5s, driver has found that speed is 60km/h when traffic sign for the first time, then reaction distance j is counted
It is：
3. distance of taking action L is calculated
Speed V before speed variation1Take 60km/h, speed V after speed variation2It takes 40km/h, changing Lane frequency n to take 1, becomes
Changing the time needed when a track takes 3s, road longitudinal grade degree i to be taken as 3.5%.Urban road is generally bituminous paving, rolling
Dynamic resistance coefficient f and coefficient of road adhesionIt is taken as 0.02,0.7 respectively, then distance of taking action is calculated as：
4. distance of visual cognition s is calculated
Eyesight E is moved corresponding to the driver of 60km/h running speeds0It is taken as 240m, the high h of traffic sign word is taken as 300mm,
Driver's eyes are taken as 12.5 ° with the line at traffic sign center and the angle α of road plane, traffic sign corner γ0Respectively
It is taken as 15 ° (cantilevered or overhead traffic signs) or 12.5 ° (pillar traffic signs)；Traffic sign center is to driver's eyes
Vertical range H be taken as 4.5m, the vertical range g of plane generally takes 0 where driver to traffic sign, then to cantilevered or
Overhead traffic sign, that pillar traffic sign calculates separately distance of visual cognition is as follows：
5. traffic sign future range calculates
By DS=L+j+l-s can be calculated, cantilevered or overhead traffic sign relative to motor vehicle parking line it is preposition away from
From for Ds=110.17+58.33+60.43-49.46=179.47 (m), can be taken as 180m.Similarly araeosystyle traffic sign, can
It is 179.45m, rounding 179m to calculate corresponding future range.
6. road surface colour guides reticle design, l is left turn lane；M is Through Lane；N is right-turn lane；E is mark plate
Upper left-hand rotation bar；C is bar of keeping straight on mark plate；D is bar of turning right on mark plate；I is the position of traffic sign placement；f
For left-hand rotation arrow；G is straight trip arrow；H is right-hand rotation arrow；J is the position of second right-hand rotation arrow setting
It sets；K is the position of third right-hand rotation arrow setting.
7. road surface colour guides graticule arrow Position Design
I is arranged at traffic mark board；J settings are being forbidden changing lane line initial position；K is arranged in parking area.
8. road surface colour guides the design of graticule color
E, f is red；D, h is green；C, g is yellow.
9. mark plate is enameled, bar designs
C, d, e width are horizontal line width in Chinese character, are the width of bar with a distance from the Chinese character indicated on sign board.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (3)
1. a kind of urban road intersection is traffic sign and marked, which is characterized in that the urban road intersection traffic sign mark
Line guides graticule and roadside traffic sign mark plates to form by road surface colour；Lane center of being expert at is arranged in road surface colour guiding graticule, left
Quote and lead arrow as red, guiding arrow of turning right is green, and straight trip guiding arrow is yellow, and road surface colour guides 45 lis of graticule length
Rice, 7 centimetres wide, each entrance driveway track is arranged three road surface colours and guides graticule, be respectively arranged at traffic sign support element,
Forbid changing at lane line initial position and stop line, guiding graticule is drawn with reflectorized material.
2. urban road intersection as described in claim 1 is traffic sign and marked, which is characterized in that the urban road intersects
The traffic sign and marked roadside traffic sign mark plates of mouth are set to pavement side, and the arrow in direction is indicated in roadside traffic sign mark plates
With the solid colour of the color and road surface colour guiding graticule guiding arrow of Chinese character, the Chinese of the roadside traffic sign mark plates in instruction direction
Colored bar is marked below word, the solid colour of color and road surface colour guiding graticule guiding arrow, bar is with reflective material
Material is drawn.
3. a kind of roadside traffic sign mark plates location determination side that urban road intersection as described in claim 1 is traffic sign and marked
Method, which is characterized in that the roadside traffic sign mark plates position Ds：
In formula：E0It indicates to move eyesight under normal condition；H indicates that traffic sign word is high (mm)；α indicates driver's eyes and sign board
The line at center and the angle (°) of road plane；γ0Indicate traffic sign corner (°)；H indicates traffic sign center to ground
Vertical range (m)；G indicates driver to the vertical range (m) of trackside；V1It indicates to recognize speed (km/ when reading traffic sign
h)；V2Indicate the speed (km/h) after taking action；F indicates coefficient of rolling resistance；I indicates road longitudinal grade (%)；Indicate road surface
Upper attachment coefficient；N indicates lane changing number；t1Indicate mark depending on recognizing the time (s)；t2Indicate the reaction time (s)；t3It indicates to become
Change the time (s) needed when a track.
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| CN109637138A (en) * | 2019-01-03 | 2019-04-16 | 重庆交通大学 | A kind of variable sign information issuing method and system based on use of information degree |
| CN117272654A (en) * | 2023-09-26 | 2023-12-22 | 重庆交通大学 | Method for setting speed limit sign position of special expressway for small bus |
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| JP6408434B2 (en) * | 2015-07-14 | 2018-10-17 | 株式会社キクテック | Road marking body deterioration detection method |
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| CN101603294A (en) * | 2009-07-02 | 2009-12-16 | 哈尔滨工业大学 | Method for joint design of colorized traffic sign and marked lines at intersection of urban road |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637138A (en) * | 2019-01-03 | 2019-04-16 | 重庆交通大学 | A kind of variable sign information issuing method and system based on use of information degree |
| CN117272654A (en) * | 2023-09-26 | 2023-12-22 | 重庆交通大学 | Method for setting speed limit sign position of special expressway for small bus |
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Application publication date: 20181113 |