warning sign
Large left-or-right alignment marker
Thai road sign ต.70 — Large left-or-right alignment marker. Meaning: Warns of an abrupt horizontal alignment change to the left or right, often on the far side of a T-junction. 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: ป้ายเตือนเครื่องหมายลูกศรขนาดใหญ่
Independent English reference · Source: Department of Highways · Sign ต.70
Road response
On the road
Driver action
What should you do?
Reduce speed and prepare to turn left or right because the road does not continue straight beyond this alignment marker.
Exam-style scenario
Read the situation
Your road ends opposite this large horizontal double-headed arrow at a T-junction, with the intersecting road running left and right.
Best response: Slow before the road end, check traffic on the intersecting road, and turn left or right when it is safe.
Sign comparison
Don’t confuse it
This sign
Large left-or-right alignment marker
Compare with
Obstruction marker — pass either side
Key difference
The large horizontal arrow marks an abrupt left-or-right alignment change, often opposite a T-junction; the striped hazard marker identifies an obstruction traffic may pass around.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
