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Introduction of various sizes of traffic markings
Road traffic markings are transportation facilities composed of various lines, arrows, characters, patterns and elevation marks, physical markings, protruding road signs and outline markings that are planned or installed on the road. Its function is to use roads. Users can pass information about rules, warnings, and guidelines about road traffic, which can be used in conjunction with signs or alone.
3.2 Reflective traffic markings shall be set for highways of all grades, urban expressways and trunk roads in accordance with the provisions of this section. Other roads can be marked as required according to this section.
3.3 Road traffic markings can be divided into the following three categories according to their functions:
a) Indicative marking line: a line indicating the roadway, driving direction, edge of the road, sidewalk, parking space, stop and deceleration hill;
b) Prohibition markings: marking markings for compliance, prohibition and restriction of road traffic;
c) Warning markings: markings to promote road users to understand the special situation on the road and to be more alert to prepare for contingency measures.
3.4 Road traffic markings can be divided into the following three categories according to the setting method:
a) Longitudinal markings: markings set along the road driving direction;
b) Horizontal markings: markings that cross the road driving direction;
c) Other graticules: character marks or other forms of graticules.
3.5 Road traffic markings can be divided into the following four categories according to their forms:
a) Line: a solid line or a dashed line drawn on the pavement, edge stone or elevation;
b) Characters: characters, numbers and various graphics and symbols drawn on the road;
c) Prominent road signs: Reflective or non-reflective bodies installed on the road to mark lane boundaries, edges, junctions, bends, dangerous sections, road width changes, road obstacle locations, etc .;
d) Contour markers: Reflective columns (or pieces) installed on both sides of the road to indicate the direction of the road and the outline of the roadway boundary.
4.3 Crossing the same-way lane boundary 4.3.1 The cross-over of the same lane lane is a white dashed line, which is used to separate the traffic flow in the same direction. It is set on the lane of the same direction lane. Under the condition of ensuring safety, the vehicle is allowed to cross the line for a short time.
4.3.2 When there are two or more lanes in the same driving direction, and vehicles are allowed to change lanes or cross the lane boundary of the lane for a short time, they should be able to cross the boundary of the same lane.
4.3.3 The line width that can cross the roadway in the same direction is generally 10cm or 15cm. For special applications such as rural roads and dedicated roads with very little traffic, the line width can be 8cm. Roads with a design speed of not less than 60km / h can cross the same-line roadway boundary line and interval lengths of 600cm and 900cm respectively. Roads with a design speed of less than 60km / h can cross the same-way roadway boundary line and Interval lengths are 200 cm and 400 cm, respectively.
4.4 Tidal lane line 4.4.1 The lane where the vehicle's driving direction can be changed according to the needs of traffic management is called the tidal lane. The double yellow dotted line composed of two yellow dotted lines juxtaposed as its indicator line indicates the position of the tidal lane.
4.4.2 The width of the yellow dotted line is 15cm; the proportion of the line segment and the interval should be consistent with the boundary of the same road segment that can be crossed in the same direction. The distance between the two lines is generally between 10 cm and 15 cm. The distance between the two lines can be adjusted appropriately while ensuring the width of the roadway.
4.4.3 Corresponding variable signs and lane driving direction signal control facilities shall be used to cooperate with the function of changing the lane driving direction with time, and corresponding physical isolation facilities may be used in conjunction.
4.5 Roadway edge line 4.5.1 The roadway edge line is used to indicate the edge of a motorway or to divide the boundary between a motorway and a non-motorway. When used to divide the boundary between a motorized lane and a non-motorized lane, it can also be referred to as a non-motorized boundary.
4.5.2 A solid white line at the edge of the roadway is used to indicate the edge of the roadway or the boundary between the machine and the vehicle that are prohibited from crossing. A solid white line at the edge of the carriageway should be set on all edges of the carriageway except for two-way four-lane and above roads except for entrances, intersections, and special sections that allow roadside parking.
The two-way three-lane and the following roads may not be set, but a solid white line should be drawn on the edge of the roadway in the following cases:
a) The road meets the narrow bridge and its upstream and downstream sections;
b) the curve section using the road design limit index and its upstream and downstream sections;
c) road sections where traffic flows merge and diverge;
d) the road section whose width changes;
e) the section where the roadside obstacle is closer to the road;
f) roads that frequently affect safe driving weather, such as heavy fog;
g) Non-motor vehicles or roads with more pedestrians and mixed traffic.
The solid white line at the edge of the roadway is generally 15cm or 20cm. In special applications such as rural roads and exclusive roads with very little traffic, the line width of the solid white line at the edge of the roadway can be 10cm.
The solid white line at the edge of the roadway can be in the form of a vibration marking.
4.5.3 The white dashed line on the edge of the roadway is used to indicate the edge of the roadway where the vehicle can temporarily cross the line. Vehicles driving across the dashed line of the edge should avoid other normal vehicles, non-motorized vehicles and pedestrians.
Where vehicles are allowed to cross the edge line at entrances, intersections, and on-street parking sections, white dashed lines at the edges of the roadway may be provided. When the distance between adjacent entrances and exits of urban roads is less than or equal to 100m, the white dashed line on the edge of the roadway is continuously set.
The general line width of the white dashed line at the edge of the roadway is 15cm or 20cm. In special applications such as rural roads and exclusive roads with very little traffic, the linewidth of the white dashed line at the edge of the roadway can be 10cm. They are 2m and 4m.
4.5.4 The dashed side of the white dashed solid line at the edge of the roadway allows vehicles to temporarily cross the line, and the solid side does not allow vehicles to cross the line to regulate the vehicle's trajectory. Where necessary, such as near bus stops and on-street parking sections, white dashed lines at the edges of the carriageway can be set. Vehicles crossing the line should avoid other vehicles, non-motorized vehicles and pedestrians.
The general line width of white dashed and solid lines at the edge of the roadway is 15cm or 20cm. For special applications such as rural roads and dedicated roads with very little traffic, the width of the white dashed and solid lines at the edge of the roadway can be 10cm. It is 15cm-20cm, and the dashed line segment and interval length are 2m and 4m, respectively.
4.5.5 In the section of a motor vehicle driving in one direction and a non-motor vehicle driving in both directions, a solid yellow single line shall be drawn between the motor vehicle lane and the opposite non-motor vehicle lane as the edge of the roadway. The left edge of a one-way road shall be marked with a single yellow solid line as the edge of the roadway. The yellow single solid line generally has a line width of 15cm or 20cm. In special applications such as rural roads and dedicated roads with very little traffic, the line width can be 10cm. The yellow solid line lanes can be in the form of vibration markings. .
4.5.6 When there is a physical isolation facility in the center of the road to separate the opposite traffic flow, the inner edge line of the roadway near the isolation facility shall be a white solid line; when urban roads use movable isolation facilities such as movable guardrails to separate the opposite traffic flow, The inner edge line of the driveway near the isolation facility may be a solid yellow line.
4.6 Left turn waiting area line 4.6.1 The left turn waiting area line is a white dashed line, which is used to indicate that the left-turn vehicle enters the waiting area to turn left during the straight ahead period.
4.6.2 The left turn waiting lane line shall be used when a left turn dedicated signal is provided and a left turn dedicated lane is provided. It is located at the front end of the left turn dedicated lane and extends into the intersection, but shall not hinder the normal operation of the oncoming vehicles travel.
4.6.3 The line of the left turn to be turned is two parallel and slightly curved white dashed lines with a line width of 15cm and a line segment and interval length of 50cm. The front end of the line shall be marked with a stop line. A white left turn guide arrow must be drawn in the area to be turned. The guide arrow is 3m long. Generally, it is drawn at the start position of the left turn area and before the stop line. When the left turn area is longer, The guide arrow can be set repeatedly in the middle, and only one guide arrow can be set when the left turn area is short.
4.6.4 In conditional locations, the left turn area to be turned can be set in the form of fewer changes and more changes.
4.7 Intersection guidance lines 4.7.1 When the area of a plane intersection is large, the shape is irregular, or the traffic organization is complicated, when vehicles find it difficult to find an exit lane, an intersection guidance line should be provided to assist the vehicle in driving and turning.
4.7.2 Intersection guide lines are broken lines, with solid line segments of 2m, intervals of 2m, and line width of 15cm.
4.7.3 Intersection guidance lines connecting the same-way lane boundary or non-equipment boundary lines are white curved (or straight) dashed lines; intersection guidance lines connecting the opposite lane boundaries are yellow-curved (or straight) dotted line.
4.8 Guidance lane line 4.8.1 The lane boundary of the lane set at the intersection entry section is called the guidance lane line and is used to indicate the position of the guidance lane where the traffic is traveling in the guidance direction.
4.8.2 The guide lane line with a fixed guidance direction is a solid white line. The general line width is 10cm or 15cm. For special applications such as rural roads with very little traffic and dedicated roads, the line width can be 8cm.
4.8.3 The length of the guide lane line shall be determined according to the geometric shape of the intersection and the needs of traffic management, and it is generally not less than 30m.
4.8.4 The variable guidance lane line is used to indicate the position of the guidance lane where the guidance direction can be changed as needed.
4.8.5 The setting length of the variable guide lane lines should not be less than the length of other guide lines. Guiding arrows should not be set in the guide lanes marked with variable guide lane markings. Variable lane guidance lines should be used in conjunction with variable lane driving direction signs. Vehicles entering the variable guidance lane should drive in the direction indicated by the lane direction sign.
4.9 Pedestrian crossing line 4.9.1 The pedestrian crossing line is a white parallel thick solid line (zebra crossing), which not only indicates the path that allows pedestrians to cross the road under certain conditions, but also warns motorists to pay attention to pedestrians and non-motorized vehicles crossing the street.
4.9.2 When there are no crossing facilities such as overpasses and underground passages at road intersections and sections where pedestrian crossings are concentrated, pedestrian crossing lines should be planned; if there are no pedestrian crossing facilities on the roads in front of schools, kindergartens, hospitals, and nursing homes, Mark pedestrian crossings and set signs.
4.9.3 The crosswalk line is generally perpendicular to the centerline of the road. In special cases, the angle between the crosswalk line and the centerline should not be less than 60 ° (or greater than 120 °), and the stripes should be parallel to the centerline of the road. The minimum width of the crosswalk is 3m, and It can be widened by 1m according to the number of pedestrians. The width of the pedestrian crossing line is 40cm or 45cm, and the line interval is generally 60cm. It can be adjusted according to the lane width, but it should not exceed 80cm. This is shown in Figure 14. The setting distance of the pedestrian crossing lines is determined according to actual needs, but the distance between the pedestrian crossing lines on the road section should generally be greater than 150m.
4.9.4 When setting up a crosswalk on a road section without a signal light control, a stop line and a crosswalk warning sign should be set on the road surface before reaching the crosswalk, and coordinated with the setting of a crosswalk indication sign. If necessary, a crosswalk warning sign and a crosswalk can also be added. The teaser logo is a white diamond pattern.
4.9.5 Generally, the width and form of the crosswalk shall be determined after comprehensively considering various factors such as pedestrian flow, pedestrian age, road width, traffic volume, vehicle speed, and line of sight.
On roads with a pavement width of more than 30m, a safety island should be set up on the pedestrian crossing at the central divider or the dividing line of the opposite roadway. The length of the safety island should be greater than or equal to the width of the crosswalk, and the width should be the same as that of the central divider or determined according to the actual situation. In cases where the area of the safety island can not meet the needs of pedestrians waiting for signal release, and the bridge pier or other structures obstructing the driver's view, the crosswalk line can be misplaced. At intersections where pedestrian traffic is particularly heavy, two pedestrian crossings can be set up side by side to make the virtual and actual sections of the zebra crossing wrong, and supplemented by directional arrows to indicate that pedestrians cross the street by left and right. The length of the directional arrows is generally 100 cm.