info sign
High-occupancy vehicle lane information
Thai road sign น.18 — High-occupancy vehicle lane information. Meaning: Identifies a high-occupancy vehicle lane and its direction or placement. 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: ป้ายช่องเดินรถมวลชน
Independent English reference · Source: Department of Highways · Sign น.18
Road response
On the road
Driver action
What should you do?
Check the displayed occupancy requirement before using the high-occupancy lane.
Exam-style scenario
Read the situation
The information sign displays an occupancy condition before the reserved lane begins.
Best response: Check the displayed occupancy number before the lane begins and use it only if the vehicle qualifies.
Sign comparison
Don’t confuse it
This sign
High-occupancy vehicle lane information
Compare with
High-occupancy vehicle lane
Key difference
The information sign announces the occupancy condition and lane arrangement; the mandatory sign controls use of the reserved lane.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
