List of highways numbered 511

The following highways are numbered 511:

Canada

 * Alberta Highway 511.svg Alberta Highway 511
 * Ontario Highway 511.svg Ontario Highway 511 (former)

United States

 * US 511.svg U.S. Route 511 (former)
 * Florida 511.svg Florida State Road 511 (former)
 * Brevard County Road 511 FL.svg County Road 511 (Brevard County, Florida)
 * Nevada 511.svg Nevada State Route 511 (former)
 * County 511.svg County Route 511 (New Jersey)
 * OH-511.svg Ohio State Route 511
 * Texas FM 511.svg Farm to Market Road 511
 * Territories:
 * Ellipse sign 511.svg Puerto Rico Highway 511