This sign prohibits overtaking in the signed section. It may appear at the start of the restriction and be repeated within it.
In the United States, R4-1 is a vertical white rectangle with a black border. Its black lettering reads DO NOT PASS.
Text signs in the United States and Canada
Do not pass
Do not overtake other traffic in the section where the restriction applies.
How it looks in each country
Official sign in each country; the code is its number in the national rules. Signs that come in two directions show the left and the right version.
Taiwan United StatesCode R4-1
Related signs
Image credits
Sign images from Wikimedia Commons, used under their licences.
- Taiwan: 中華民國交通部, Public domain
- United States R4-1: Federal Highway Administration – United States Department of Transportation, Public domain