List of highways numbered 491

The following highways are numbered 491:

Canada

 * Manitoba Provincial Road 491

Israel

 * Route 491 (Israel)

Japan

 * Japanese National Route Sign 0491.svg Japan National Route 491

United States

 * I-491.svg Interstate 491 (cancelled proposal)
 * US 491.svg U.S. Route 491
 * Ellipse sign 491.svg Delaware Route 491
 * Florida 491.svg Florida State Road 491 (former)
 * MD Route 491.svg Maryland Route 491
 * PA-491.svg Pennsylvania Route 491
 * Ellipse sign 491.svg Puerto Rico Highway 491