(Sign pattern is Department of Highway/Ministry of Transport standard)
Regulatory sign can be divided into 2 categories :
- Regulatory sign, which displays symbols
- Regulatory sign, which displays message and/or symbol
Regulatory sign specifications
Size and color of the regulatory sign are manufactured according to
Manual of Traffic Control Signs, Edition 1, B.E. 2531(1988).
Size of standard signs are Ø 60, Ø 75 and Ø 90 cm.