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Route for transport of dangerous goods
When you see the sign
The sign indicates which road or direction is designated as a route for the transport of dangerous goods. If you are driving a vehicle carrying such a load, you must follow the signs while also checking that the route is suitable for the load and any restrictions; other drivers should continue to follow the usual directions.
Rules
- Sign 723.51 is a location sign indicating a route for the transport of dangerous goods.
- The sign is not, in itself, a general prohibition on using other routes; any prohibitions or restrictions must be shown by separate regulatory signs.
- The direction indicated by the sign must be read together with the arrow, direction sign or diagrammatic sign where the symbol is displayed.
- Drivers transporting dangerous goods must also comply with specific rules concerning, among other things, tunnels, vehicles, marking and transport documents.
Tips
- Look for the symbol early on diagrammatic signs and direction signs so that you have time to choose the correct lane.
- Do not confuse the sign with a hazard warning sign indicating that dangerous goods are on or beside the road.
- When transporting dangerous goods, the route should be planned in advance and checked against tunnel restrictions and local limitations.
- As an ordinary car driver, you do not need to change your route just because the sign is displayed; follow the directions applicable to your destination.
Common misconceptions
- Assuming that the sign means dangerous goods are currently on or beside the road.
- Interpreting the sign as a prohibition sign that automatically bans the transport of dangerous goods on all other roads.
- Overlooking the arrow or its position on the direction sign and consequently choosing the wrong exit or lane.
Test yourself
Easy
What does this sign mean?
- AIt indicates a lane for all types of heavy transport.
- BIt indicates a route for the transport of dangerous goods.
- CIt warns that dangerous goods are on the road.
- DIt prohibits all further transport of dangerous goods.
Medium
You are transporting dangerous goods, and the symbol is next to an arrow pointing towards an exit to the right. What should you do to follow the indicated route?
- ATake the exit to the right and follow the designated route.
- BContinue straight ahead and disregard the arrow.
- CMove into the left lane and follow the main road.
- DStop before the exit and wait for an escort.
Hard
The symbol is placed by the right-hand direction on a portal orientation sign. There are no separate prohibition signs for the other directions. What can you conclude?
- AThat the right lane contains dangerous goods, and that the other lanes must therefore be chosen.
- BThat the right-hand direction is closed to dangerous goods, while the other directions are still permitted.
- CThat all other directions are prohibited for dangerous goods, even without separate regulatory signs.
- DThat the right-hand direction is designated as a route for dangerous goods, without the other directions automatically being prohibited.
Theory test tip
In the theory test, the trap may be to interpret the sign as a hazard warning sign or prohibition sign. Its main meaning is that it identifies and indicates a route for the transport of dangerous goods; an actual prohibition must be indicated by a separate sign.
Did you know
Routes for dangerous goods are used to guide such transport along roads that are better suited to it, taking into account factors such as tunnels, built-up areas and emergency preparedness. The symbol may be incorporated into other direction signs rather than displayed on its own.
Frequently asked questions
Does an ordinary passenger car have to follow this route?
No, not simply because Sign 723.51 is displayed. The sign is intended for the transport of dangerous goods, while other drivers follow the usual directions and other applicable regulations.
Does the sign mean that other vehicles are not allowed to use the road?
No. The sign does not reserve the road for vehicles carrying dangerous goods, nor does it close the road to other traffic.
Is it prohibited to transport dangerous goods on a road without this sign?
Not automatically. Any prohibition or restriction must follow from separate signage or other rules applicable to the transport, such as tunnel restrictions.
How does the sign differ from an ordinary direction sign?
An ordinary direction sign indicates the direction to a destination or road number. Sign 723.51 specifically indicates the direction or route designated for the transport of dangerous goods.
Practise for the theory test
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