Temporary traffic-control sign

Use detour to the right

This rectangular orange direction sign is placed at a closure or decision point and directs traffic to use the detour to the right. Slow down and turn right along the marked temporary route.

Verified as Thai road sign ตค.23 from Department of Highways construction traffic-control manual on 2026-07-25.

Study guide

Connect this sign to practice

Decision-point direction: Use detour to the right. Compare its shape, placement and arrow with the other detour pairs before choosing whether to prepare ahead or turn onto the temporary route now.

Study guide

Compare the three detour sign pairs

These signs have different jobs: the orange diamonds warn that the temporary path shifts, the advance text panels announce a detour ahead, and the direction panels tell you to take the detour at the closure or decision point.

Now see it in questions.

Now practise how temporary path warnings, advance detour notices and decision-point directions differ in exam-style scenarios.

Mascot holding a blank circular road sign with a red border.