info sign
One-way street — left
Thai road sign น.8-1 — One-way street — left. Meaning: Indicates that the street in the shown direction is one way; this variant points left. 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: ป้ายรถเดินทางเดียวไปทางซ้าย
Independent English reference · Source: Department of Highways · Sign น.8-1
Road response
On the road
Driver action
What should you do?
Follow the indicated one-way direction to the left and do not enter against it.
Exam-style scenario
Read the situation
The information sign identifies a one-way street running left across the junction.
Best response: If entering the cross street, turn left with its one-way flow and do not drive to the right against it.
Sign comparison
Don’t confuse it
This sign
One-way street — left
Compare with
One-way left
Key difference
This information sign identifies a one-way street running left across the junction; the blue mandatory arrow directly requires traffic to follow the left direction.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
