warning sign

Opening bridge ahead

Thai road sign ต.41 — Opening bridge ahead. Meaning: An opening or movable bridge lies ahead. Learner-manual coverage: this identity is shown in the current DLT car-driver learner manual. Inclusion does not mean it appears in every theory test.

Thai name: ป้ายเตือนสะพานเปิดได้

Independent English reference · Source: Department of Highways · Sign ต.41

Road response

On the road

Driver action

What should you do?

Slow down and be ready to stop if the bridge is open or controlled.

Exam-style scenario

Read the situation

The route reaches a movable bridge whose control signal may stop traffic before the span opens.

Best response: Approach the movable bridge slowly and stop if its signal or barrier closes the route.

Sign comparison

Don’t confuse it

No close comparison recorded

No verified comparison sign is recorded for this entry. Compare the related signs below.

Put sign knowledge into practice.

Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.

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