Narrow Clearance warning sign in Mexico. Source
This file was derived from:

 Canada - stop ahead.svg: File:Canada - stop ahead.svg
Trucks Keep Right sign (Mexico).svg: File:Trucks Keep Right sign (Mexico).svg
Canada_-_stop_ahead.svg: *MUTCD_W3-1.svg:
derivative work: Fry1989
Trucks_Keep_Right_sign_(Mexico).svg: *File:RU road sign 3.32.svg: User:Юкатан
derivative work: Beao
UK_traffic_sign_811.svg: UK Government
derivative work: Fry1989
derivative work: Fry1989