info sign
Frontage road ahead
Thai road sign Frontage Road Ahead — Frontage road ahead. Meaning: A frontage road exit or access route is ahead. Catalog status: additional official road-sign reference.
Thai name: ป้ายแนะนำล่วงหน้าสำหรับออกทางขนาน
Independent English reference · Source: Department of Highways · Sign Frontage Road Ahead
Road response
On the road
Driver action
What should you do?
If you need the frontage road, prepare early for its indicated exit or access route.
Exam-style scenario
Read the situation
Your destination is on the frontage road and advance guidance shows its access before the main lanes separate.
Best response: Prepare for the frontage-road access early and follow its arrow when the main and frontage lanes separate.
Sign comparison
Don’t confuse it
This sign
Frontage road ahead
Compare with
Main-road and frontage-road access
Key difference
The advance sign focuses on a frontage-road access ahead; the larger access diagram separates choices for both the frontage road and main road.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
