(Sign pattern is Department of Highway/Department of Rural Roads standard)
Standard sizes of the Directional arrow signs number 3.1-1 to 3.1-14 are 40 x 60, 50 x 75 และ 60 x 90 cm.
Tourist Attractions road sign
Green tourist signs: Natural
Brown tourist signs: Archaeological site
Blue tourist signs: Activities
The standard size of tourist signs is 40 x 40 cm.
Size of Thai Highway signs and Thai Motorway signs are 60 x 60, 75 x 75 and 90 x 90 cm.
National Highway use sign
Size of Asian Highway signs are 40 x 60, 50 x 75 and 60 x 90 cm.
Size of Directional arrow signs (Highways and Motorways) are 40 x 60, 50 x 75 and 60 x 90 cm.
Traffic sign manufactured by newly and highly quality zinc, aluminium, metal, paint and reflective sticker.