Warning signs Work signs Signs warning Construction signs Warning sign

Warning Sign

(Sign pattern is Department of Highway/Ministry of Transport standard)

Warning signs can be classified in 3 different classes :

  1. Warning sign which displays symbol
  2. Warning sign which displays message and/or symbol
  3. Construction warning sign

Standard sizes of the warning signs 2-1 to 2-60/1, 2-62 and 2-75 are 60 x 60, 75 x 75 and 90 x 90 centimeter.

2-1 Warning Signs “Left Curve” – The way ahead is curve to the left. Drivers should slow down the vehicle, and drive on the left of the road with caution.
2-1
“Left Curve”
2-2 Warning Signs “Right Curve” – The way ahead is curve to the right. Drivers should slow down the vehicle, and drive on the left of the road with caution.
2-2
“Right Curve”
2-3 Warning Signs “Left Turn” – The way ahead is a sharp left turn. Drivers should slow down the vehicle, and drive on the left of the road with caution.
2-3
“Sharp Left Turn”
2-4 Warning Signs “Right Turn” – The way ahead is a sharp right turn. Drivers should slow down the vehicle, and drive on the left of the road with caution.
2-4
“Sharp Right Turn”
2-5 Warning Signs “Left Reverse Curves” – The way ahead curves to the left, and then curves back to the right. Drivers should slow down the vehicle, and drive on the left of the road with caution.
2-5
“Left Reverse Curves”
2-6 Warning Signs “Right Reverse Curves” – The way ahead curves to the right, and then curves back to the left. Drivers should slow down the vehicle, and drive on the left of the road with caution.
2-6
“Right Reverse Curves”
2-7 Warning Signs “Left Reverse Turns” – The way ahead curves sharply to the left, and then curves back to the right. Drivers should slow down the vehicle, and drive on the left of the road with caution.
2-7
“Left Reverse Turns”
2-8 Warning Sign “Right Reverse Turns” – The way ahead curves sharply to the right, and then curves back to the left. Drivers should slow down the vehicle, and drive on the left of the road with caution.
2-8
“Right Reverse Turns”
2-9 Warning Sign “Left Winding Road” – The way ahead is a zig zag road starting on the left. Drivers should slow down the vehicle, and drive on the left of the road with caution.
2-9
“Left Winding Road”
2-10 Warning Sign “Right Winding Road” – The way ahead is a zig zag road starting on the right. Drivers should slow down the vehicle, and drive on the left of the road with caution.
2-10
“Right Winding Road”
2-11 Warning Sign “Crossroad” – A secondary way crosses a main way and form an intersection. Drivers should slow down the vehicle and drive carefully.
2-11
“Crossroad”
2-12 Warning Sign “Y-Symbol Intersection” – Two main ways connect to eachter and form a Y shape intersection ahead. Drivers should slow down the vehicle and drive carefully.
2-12
“Y-Symbol Intersection”
2-13 Signs Warning “90 Degree Side Road Left” – A secondary way branches off the main way on the left ahead. Drivers should slow down the vehicle and drive carefully.
2-13
“90 Degree Side Road Left”
2-14 Signs Warning “90 Degree Side Road Right” – A secondary way branches off the main way on the right ahead. Drivers should slow down the vehicle and drive carefully.
2-14
“90 Degree Side Road Right”
2-15 Signs Warning “T junction Left & Right” – A secondary branches off the main way on the left, following by another secondary way branches off on the right. Drivers are advised to drive cautiously.
2-15
“T junction Left & Right”
2-16 Signs Of Warning “T junction Right & Left” – A secondary branches off the main way on the right, following by another secondary way branches off on the left. Drivers are advised to drive cautiously.
2-16
“T junction Right & Left”
2-17 Signs Warning “Angle Side Road Left” – A secondary way merges with the main way from the left. Drivers are advised to drive cautiously.
2-17
“Angle Side Road Left”
2-18 Signs Warning “Angle Side Road Right” – A secondary way merges with the main way from the right. Drivers are advised to drive cautiously.
2-18
“Angle Side Road Right”
2-19 Signs Warning “Angle Side Road Right”
2-19
“Left Angle Side Road”
2-20 Signs Warning “Angle Side Road Left”
2-20
“Right Angle Side Road”
2-21 Warning Sign “Roundabout” – Roundabout coming up ahead, drivers should slow down the vehicle and drive carefully.
2-21
“Roundabout”
2-22 A Warning Sign “Narrow Lanes” – The way head is narrowed down on both sides. Drivers of vehicles are required to drive more carefully and slowly, as well as trying to not to cause any accident.
2-22
“narrow lanes”
2-23 Signs Of Warning “Left Narrow Lane” – The left lane of the way ahead is narrowed down. Drivers of vehicles are required to drive more carefully and slowly.
2-23
“Left Narrow Lane”
2-24 Signs Of Warning “Right Narrow Lane” – The right lane of the way ahead is narrowed down. Drivers of vehicles are required to drive more carefully and slowly.
2-24
“Right Narrow Lane”
2-25 A Warning Sign “Approaching Narrow Bridge” – Drivers of vehicles is approaching a narrow bridge, in which the lane width is narrower than normal. Drivers are advised to drive slowly and cautiously to avoid potential accident with oncoming traffic. If there are additional signs in close by vicinity, drivers must obey to those signs as well.
2-25
“Approaching Narrow Bridge”
2-26 A Warning Sign "Left lane ends" – The way ahead is closed to traffic on the left. The driver should switch to the remaining lane.
2-26
“Left lane ends”
2-27 A Warning Sign "Right lane ends" – The way ahead is closed to traffic on the right. The driver should switch to the remaining lane.
2-27
“Right lane ends”
2-28 Signs Of Warning “Open Railroad Crossing” – The way ahead is crossed by a railroad without a railway crossing barrier. Drivers of vehicles are advised to slow down the vehicles and observe both right and left carefully before crossing the railway. If a train is approaching, drivers must stop the vehicle at least 5 meters away from the railroad; wait for the train to pass before proceeding. Crosscut the train in a close distance is strictly prohibited.
2-28
“Open Railroad Crossing”
2-29 Signs Of Warning “Secure Railroad Crossing” – Railroad crossing the way ahead with crossing barrier, drivers of vehicles are advised to drive slowly pass this sign and prepare to stop the vehicle, when the officer give signals or closes the barrier. If there are other vehicles ahead, drivers must wait their turn and proceed when the barrier is removed.
2-29
“Secure Railroad Crossing”
2-30 Signs Of Warning “Railway crossing on next side road”
2-30
“Railway crossing on next side road”
2-31 A Warning Sign “Width Restriction” – The sign indicates that the lane width ahead is narrower than normal, with maximum width displayed in “meter” on the sign. Vehicles, which do not exceed the maximum width indicated, can pass through with caution and use slow speed. If there are additional signs in the close vicinity, drivers must obey to those signs as well.
2-31
“Width Restriction”
2-31/1 A Warning Sign “Width Restriction” – The sign indicates that the lane width ahead is narrower than normal, with maximum width displayed in “meter” on the sign. Vehicles, which do not exceed the maximum width indicated, can pass through with caution and use slow speed. If there are additional signs in the close vicinity, drivers must obey to those signs as well.
2-31/1
“Width Restriction”
2-32 A Warning Sign “Height Restriction” – The sign indicates that the way head has low top, with maximum height indicated in “meter” on the sign. Vehicles, which do not exceed the maximum height displayed, can pass through with caution and slow speed.
2-32
“Height Restriction”
2-32/1 A Warning Sign “Height Restriction” – The sign indicates that the way head has low top, with maximum height indicated in “meter” on the sign. Vehicles, which do not exceed the maximum height displayed, can pass through with caution and slow speed.
2-32/1
“Height Restriction”
2-33 Sign Warning “Steep Climb” – The way ahead is a steep climb up hill or mountain, which might obstruct the view of the oncoming traffic. Drive slowly, try to keep to the left of way and be careful of the oncoming traffic.
2-33
“Steep Climb”
2-34 Sign Warning “Steep Descent” – The way ahead is a steep way downhill. Drivers of vehicles are advised to drive slowly, use low gear, and keep to the left of way. The drivers should not release the gear or stop the engine, while the vehicle is going downhill.
2-34
“Steep Descent”
2-35 A Warning Sign “Unequal Road Surface” – The surface of the way ahead changes level immediately, e.g. at a bridge neck, way over a culvert, or speed bump. Drive slowly and carefully.
2-35
“Unequal Road Surface”
2-36 Sign Warning “Uneven Road Surface” – The surface of the way ahead is bumpy or has many ridges. Drive slowly and carefully
2-36
“Uneven Road Surface”
2-37 Sign Warning “Road Dip” –  Forward, change the level suddenly or as a puddles.
2-37
“Road Dip”
2-38 A Warning Sign “Slippery When Wet” – The road is slippery when wet. Drivers of vehicles are required to drive slowly and carefully. Do not use brake immediately. Stopping, slowing down the vehicle and making a turn should be done with extreme care.
2-38 “Slippery When Wet”
2-39 Sign Warning “Loose Gravel” – The surface of the way ahead is loose and might bounce off, if a vehicle runs pass with a high speed. Drive slowly and be careful of accident that might be caused by the loose surface.
2-39 “Loose Gravel”
2-40 A Warning Sign “Falling rocks” – The road ahead might have rocks that have fallen into the surface. Used to warn the driver to be careful that The road ahead may be dangerous. From the rock that had fallen Or stones that obstruct the driveway.
2-40 “Falling rocks”
2-41 A Warning Sign “Moveable Bridge Ahead” – A moveable bridge, which can be moved to allow passage way for a boat or a ship, is coming up ahead. Drivers of vehicles are advised to drive slowly and carefully stop the vehicle, when an officer opens the Bascule bridge, in order to avoid any possible accident with other vehicles in front and behind.
2-41 “Moveable Bridge Ahead”
2-42 A Warning Sign “Shift to left carriageway” – To warn the driver, be aware that the intersection or the barrier is open forward, changing the lanes to the left of the barrier. Breaking down traffic or barrier breaking the traffic lanes.
2-42
“Shift to left carriageway”
2-43 A Warning Sign “Shift to right carriageway” – To warn the driver, be aware that the intersection or the barrier is open forward, changing the lanes to the right of the barrier. Breaking down traffic or barrier breaking the traffic lanes.
2-43
“Shift to right carriageway”
2-44 A Warning Sign “Added lane ahead" – The main road ahead has openings in frontage road. Let the driver on the main road be careful And prepare to be frontage road.
2-44
“Added lane ahead”
2-45 A Warning Sign “Added lane ahead" – The main road ahead has openings in frontage road. Let the driver on the main road be careful And prepare to be frontage road.
2-45
“Added lane ahead”
2-46 Work Signs “Merge-Left” – The way ahead will be merged from the left. Drivers of vehicles must drive slowly and be careful
2-46
“Merge-Left”
2-47 Work Signs “Merge-Right” – The way ahead will be merged from the right. Drivers of vehicles must drive slowly and be careful.
2-47
“Merge-Right”
2-48 Sign Warning “Divided Highway” – The way ahead is a divided highway with two directions traffic are separated by a central barrier or strip of land. Drivers of vehicles are advised to keep left and be careful.
2-48
“Divided Highway Begins”
2-49 Sign Warning “Divided Highway Ends” – The way ahead is a single carriage way without central barrier or median. Drivers of vehicles are advised to drive slowly, keep left, and be cautious of the oncoming traffic.
2-49
“Divided Highway Ends”
2-50 Sign Warning “Right hairpin curve road” – The road ahead has a u-turn on the right side. To remind the driver on the highway, be aware that the road ahead will have a mid opening or the main road to the frontage road to u-turn the car. The rider who wants to u-turn the car will be prepared to enter the correct traffic channel and slow down.
2-50
“Right hairpin curve road”
2-51 Sign Warning “Left hairpin curve road” – The road ahead has a u-turn on the Left side. To remind the driver on the highway, be aware that the road ahead will have a mid opening or the main road to the frontage road to u-turn the car. The rider who wants to u-turn the car will be prepared to enter the correct traffic channel and slow down.
2-51
“Left hairpin curve road”
2-52 Sign Warning “Two Way Traffic” – The way ahead has two directions traffic. Drivers of vehicles must drive slowly, keep left and be cautious of the oncoming traffic.
2-52
“Two Way Traffic”
2-53 Signs Of Warning “Traffic Light Ahead” – Traffic light coming up ahead, drivers of vehicles are required to slow down the vehicle to prepare to follow the traffic light.
2-53
“Traffic Light Ahead”
2-54 Signs Of Warning “Stop Ahead” – Stop sign coming up ahead, drivers of vehicles should get ready to stop their vehicles at the regulatory sign ahead.
2-54
“Stop Ahead”
2-54/1 Signs Of Warning “Stop Ahead” – Stop sign coming up ahead, drivers of vehicles should get ready to stop their vehicles at the regulatory sign ahead.
2-54/1
“Stop Ahead”
2-55 Signs Of Warning “Give way ahead” – The front side has a badge to be mounted to the driver, ready to give you a way to get directions.
2-55
“Give way ahead”
2-55/1 Signs Of Warning “Give way ahead” – The front side has a badge to be mounted to the driver, ready to give you a way to get directions.
2-55/1
“Give way ahead”
2-56 Work Signs “Pedestrian Crossing” – Pedestrian crossing or community area with people crossing the road on a regular basis, is coming up ahead. Drivers of vehicles must drive slowly and be careful of pedestrians. If there is a pedestrian waiting to cross the road, drivers must wait for the pedestrian to cross first.
2-56
“Pedestrian Crossing”
2-57 Work Signs “School Crossing” – There is a school in close vicinity, drivers must slow down the vehicles and be cautious of any accident that may happen to the students. If there are students waiting to cross the road, drivers must wait for the students to cross first. If it is during school hours, loud noises are prohibited near the school area.
2-57
“School Crossing”
2-58 Work Signs “Beware of Cattle” – There might be cattle crossing the road. Drivers must drive slowly and carefully.
2-58
“Beware of Cattle”
2-59 Work Signs “Low-flying aircraft” – At the front, approach the airport, or there may be a low-rise aircraft to the driver, stop the car if you see the plane is up or down through the front.
2-59
“Low-flying aircraft”
2-60 Work Signs “Danger” – The road ahead may be dangerous. Used to warn drivers of temporary hazards on highways, such as car accidents. Road erosion from flooding With trees falling in the way There is a repair of the wiring straddling the traffic surface.
2-60
“Danger”
2-60/1 Work Signs “Danger” – The road ahead may be dangerous. Used to warn drivers of temporary hazards on highways, such as car accidents. Road erosion from flooding With trees falling in the way There is a repair of the wiring straddling the traffic surface.
2-60/1
“Danger”
2-62 Work Signs “Double Arrow” – There is traffic island or central barrier. Vehicles can pass by both left and right side of the sign.
2-62
“Double Arrow”
2-75 Warning Sign “T-Symbol Intersection” – Two main ways connect to each other and form and intersection ahead. Drivers should slow down the vehicle and drive carefully.
2-75
“T-junction ahead”
2-61 Construction Signs “No Passing Zone” – This sign is installed on the right of the way, meaning that in the particular zone has limited view of traffic. Drivers may not see the oncoming traffic, if the drivers would like to overtake the vehicle in front.
2-61
“No Passing Zone”
75 x 100 cm.
2-64 Construction Signs “Curve marker” – Multiple chevrons are aligned pointing to the right.
2-64
“Curve marker”
35 x 98 cm.
2-67 Construction Signs “Curve marker” – Multiple chevrons are aligned pointing to the right.
2-67
“Curve marker”
35 x 98 cm.
2-69 Construction Signs “Curve marker” – Multiple chevrons are aligned pointing to the right.
2-69
“Curve marker”
35 x 178 cm.
2-65 Warning Signs Danger “One Direction Arrow” – The way is diverted in the direction of the arrow. Drivers must drive slowly and carefully.
2-65
“One Direction Arrow”
60 x 120 /
90 x 180 cm.
2-68 Work Signs “One Direction Arrow” – The way is diverted in the direction of the arrow. Drivers must drive slowly and carefully.
2-68
“One Direction Arrow”
60 x 120 /
90 x 180 cm.
2-70 Work Signs “Two Direction Arrow” – The way is diverted in the direction of the arrow. Drivers must drive slowly and carefully.
2-70
“Two Direction Arrow”
60 x 120 /
90 x 180 cm.
2-63 Warning Danger Signs “Direction Warning Sign” – The way is diverted in the direction of the arrow. Drivers must drive slowly and carefully.
2-63
“Direction Warning Sign”
60 x 75 cm.
2-66 Warning Danger Signs “Direction Warning Sign” – The way is diverted in the direction of the arrow. Drivers must drive slowly and carefully.
2-66
“Direction Warning Sign”
60 x 75 cm.
2-71 Warning Danger Signs “Direction Warning Sign” - The way is diverted in the direction of the arrow. Drivers must drive slowly and carefully.
2-71
“Hazard marker”
45 x 75 cm.
2-72 Warning Danger Signs “Direction Warning Sign” – The way is diverted in the direction of the arrow. Drivers must drive slowly and carefully.
2-72
“Hazard marker”
60 x 75 cm.
2-73 Warning Danger Signs “Direction Warning Sign” – The way is diverted in the direction of the arrow. Drivers must drive slowly and carefully.
2-73
“Hazard marker”
60 x 75 cm.
2-74 Warning Danger Signs “Zipper merge” – The way ahead has fewer road lanes (Zipper merge). Late merge with more than two lanes in right-hand side traffic. The merging of three to two lanes makes a pattern which is more complicated than the one that is made by the merging of two to one lane.
2-74
“Zipper merge”
90 x 110 cm.
2-74/1 Warning Danger Signs “Zipper merge” – The way ahead has fewer road lanes (Zipper merge). Late merge with more than two lanes in right-hand side traffic. The merging of three to two lanes makes a pattern which is more complicated than the one that is made by the merging of two to one lane.
2-74/1
“Zipper merge”
90 x 125 cm.

Supplementary warning sign

Additional signs are used together with warning signs to elaborate meaning, limit and length of the way ahead.

Danger Warning Signs “Traffic Light Ahead
“Traffic Light Ahead”
75 x 60 /
90 x 60 cm.
Danger Warning Signs “Traffic Light --- Meter Ahead”
“Traffic Light — Meter Ahead”
60 x 50 /
75 x 60 cm.
Danger Warning Signs “Beware of Right Traffic”
“Beware of Right Traffic”
60 x 50 /
75 x 60 cm.
Danger Warning Signs “Beware of Left Traffic”
“Beware of Left Traffic”
60 x 50 /
75 x 60 cm.
Danger Warning Signs “Speed Hump”
“Speed Hump”
60 x 50 /
75 x 60 cm.
Danger Warning Signs “Uneven road surface ahead for --- Km”
“Uneven road surface ahead for — Km”
75 x 60 /
90 x 60 cm.
Traffic Warning “Two Way Traffic”
“Two Way Traffic”
60 x 50 /
75 x 60 cm.
Traffic Warning “Up Hill …. Km”
“Up Hill — Km”
60 x 50 /
75 x 60 cm.
Traffic Warning “Down Hill … Km”
“Down Hill — Km”
60 x 50 /
75 x 60 cm.
Traffic Warning “Use Low Gear”
“Use Low Gear”
60 x 50 /
75 x 60 cm.
Road Safety Signs “Winding Road”
“Winding Road”
75 x 60 /
90 x 60 cm.
Road Safety Signs “Slippery When Wet”
“Slippery When Wet”
60 x 50 /
75 x 60 cm.
Road Safety Signs “School Zone”
“School Zone”
60 x 50 /
30 x 50 /
40 x 60 /
75 x 60 cm.
Warning Signs Danger “Accident Ahead” – There is an accident ahead, there might be a vehicle or object obstructing the road.
“Accident Ahead”
80 x 120 cm.
Warning Signs Danger “Use Low Gear”
“Use Low Gear”
60 x 120 cm.
Warning Danger Signs “City Limit Reduce Speed
“City Limit Reduce Speed”
75 x 120 cm.
Warning Danger Signs “City Limit Reduce Speed
“City Limit Reduce Speed”
150 x 180 cm.
Warning sign “Advisory speed limit”
“Advisory speed limit”
60 x 120 cm.
Warning sign “Advisory speed limit”
“Advisory speed limit”
45 x 45 /
60 x 60 cm.
Warning sign “U-turn Ahead” – There is a u-turn ahead.
“U-turn Ahead”
60 x 100 cm.

Construction signs

Standard sizes of the Construction signs 2.1-1 to 2.1-24 are 60 x 60, 75 x 75 and 90 x 90 centimeter.

2.1-1 Construction sign – Road survey ahead.
2.1-1
“Survey”
2.1-2 Construction sign – Construction ahead.
2.1-2
“Construction”
2.1-3 Construction Signs “Road Work” – There are workers working close to or on the road surface.
2.1-3
“Road Work”
2.1-4 Construction Signs “Machine Working” – The way ahead has machines working on the road side or may occasionally obtrude the road surface.
2.1-4
“Machine Working”
2.1-5 Construction Signs “Road Diversion Left” – The way ahead is under construction. Traffic direction is diverted; use alternative way on the left instead.
2.1-5
“Road Diversion Left”
2.1-6 Construction Signs “Road Diversion Right” – The way ahead is under construction. Traffic direction is diverted; use alternative way on the right instead.
2.1-6
“Road Diversion Right”
2.1-7 Construction sign – Diverted traffic to left.
2.1-7
“Diverted traffic to left”
2.1-8 Construction sign – Diverted traffic to right.
2.1-8
“Diverted traffic to right”
2.1-9 Construction sign – Diverted traffic to left (two lanes).
2.1-9
“Diverted traffic to left (two lanes)”
2.1-10 Construction sign – Diverted traffic to right (two lanes).
2.1-10
“Diverted traffic to right (two lanes)”
2.1-11 Construction sign – Diverted traffic (one lane on left).
2.1-11
“Diverted traffic (one lane on left)”
2.1-12 Construction sign – Diverted traffic (one lane on right).
2.1-12
“Diverted traffic (one lane on right)”
2.1-13 Construction sign – Diverted traffic, first to left.
2.1-13
“Diverted traffic, first to left”
2.1-14 Construction sign – Diverted traffic, first to right.
2.1-14
“Diverted traffic, first to right”
2.1-15 Construction sign – Diverted traffic, first to left, 2 lanes.
2.1-15
“Diverted traffic, first to left, 2 lanes”
2.1-16 Construction sign – Diverted traffic, first to right, 2 lanes.
2.1-16
“Diverted traffic, first to right, 2 lanes”
2.1-17 Construction sign – Diverted traffic, first to left, 3 lanes.
2.1-17
“Diverted traffic, first to left, 3 lanes”
2.1-18 Construction sign – Diverted traffic, first to right, 3 lanes.
2.1-18
“Diverted traffic, first to right, 3 lanes”
2.1-19 Construction sign – End of left lane (form 1 lane).
2.1-19
“End of left lane (form 1 lane)”
2.1-20 Construction sign – End of right lane (form 1 lane).
2.1-20
“End of right lane (form 1 lane)”
2.1-21 Construction sign – End of left lane (form 2 lanes).
2.1-21
“End of left lane (form 2 lanes)”
2.1-22 Construction sign – End of right lane (form 2 lanes).
2.1-22
“End of right lane (form 2 lanes)”
2.1-23 Construction sign – End of left lanes (form 1 lane).
2.1-23
“End of left lanes (form 1 lane)”
2.1-24 Construction sign – End of right lanes (form 1 lane).
2.1-24
“End of right lanes (form 1 lane)”
2.1-25 Construction sign "Curve marker" – Used to install the traffic-changing areas in the direction pointing to the driver pedestrian slow down and increase alertness.
2.1-25
“Curve marker”

Construction sign

2.1-25 and 2.1-26

60 x 120 cm.

2.1-26 Construction sign "Curve marker" – Used to install the traffic-changing areas in the direction pointing to the driver pedestrian slow down and increase alertness.
2.1-26
“Curve marker”

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