DescriptionThailand road sign บ-51.svg English: Motorcycles only. ไทย: ช่องเดินรถจักรยานยนต์ Date 19 November 2017 Source Thai Ministry of Transport -...
File:Thailand road sign บ-51.svg is a vector version of this file. It should be used in place of this PNG file when not inferior. File:Thai road sign B 51...
