DTT Road Signs Ireland — Questions and Answers
Question 1: What does a circular sign with a red border and white background indicate on Irish roads?
- A regulatory sign giving a prohibition or restriction (Correct answer)
- A warning of danger ahead
- Information about nearby services
- A direction to a motorway
Correct answer: A regulatory sign giving a prohibition or restriction
In Ireland, circular signs with red borders on a white background are regulatory signs that prohibit or restrict certain actions, such as speed limits or no entry signs. This follows the European Convention on Road Signs.
Question 2: What does a triangular warning sign with a picture of a deer indicate?
- Wild animals may cross the road ahead (Correct answer)
- A zoo or wildlife park is nearby
- Hunting is permitted in this area
- Deer farming area — slow down
Correct answer: Wild animals may cross the road ahead
A triangular warning sign featuring a deer warns drivers that wild animals may cross the road in this area. Drivers should reduce speed and be vigilant, especially at dawn and dusk when animals are most active.
Question 3: What does a round blue sign with a white arrow pointing upward mean in Ireland?
- Ahead only — vehicles must proceed straight ahead (Correct answer)
- One-way street
- No stopping ahead
- Motorway ahead
Correct answer: Ahead only — vehicles must proceed straight ahead
A circular blue sign with a white upward arrow is a mandatory 'ahead only' sign, meaning vehicles must continue straight ahead and cannot turn left or right at the next junction.
Question 4: What does a rectangular green sign with white text indicate on an Irish motorway?
- Direction and distance information for motorway destinations (Correct answer)
- A warning about road works ahead
- A speed limit change
- An emergency stopping area
Correct answer: Direction and distance information for motorway destinations
Green rectangular signs on Irish motorways provide direction and distance information for destinations. National primary route signs use green backgrounds, while motorway signs also use blue for some elements.
Question 5: What does a yellow diamond-shaped sign indicate on Irish roads?
- You are on a road with priority (right of way) over joining roads (Correct answer)
- Road works ahead
- School zone
- Hospital ahead
Correct answer: You are on a road with priority (right of way) over joining roads
The yellow diamond sign indicates a priority road, meaning you have right of way over traffic on joining roads. A black line through the diamond means the priority road ends.
Question 6: What does a circular sign with a red border showing '50' mean?
- The maximum speed limit is 50 km/h (Correct answer)
- The minimum speed is 50 km/h
- You are 50 km from the next town
- Road number 50
Correct answer: The maximum speed limit is 50 km/h
A circular sign with a red border displaying a number indicates a maximum speed limit. In this case, the maximum permitted speed is 50 km/h, which is the default speed limit in built-up areas in Ireland.
What does a circular sign with a red border and white background indicate on Irish roads?