List of highways numbered 406

The following highways are numbered 406:

Canada

 * Manitoba secondary 406.svg Manitoba Provincial Road 406
 * NL Route 406.svg Newfoundland and Labrador Route 406
 * Ontario 406.svg Ontario Highway 406

Costa Rica

 * CR RNT 406.svg National Route 406

Israel

 * ISR-HW-406.svg Route 406 (Israel)

Japan

 * Japanese National Route Sign 0406.svg Japan National Route 406

United Kingdom

 * UK road A406.svg North Circular Road, the top half of London's ring road from Chiswick in the West to the Woolwich Ferry in the East

United States

 * Florida:
 * Florida 406.svg Florida State Road 406
 * Florida 406A.svg Florida State Road 406A
 * Brevard County 406.svg County Road 406 (Brevard County, Florida)
 * Georgia 406.svg Georgia State Route 406 (unsigned designation for Interstate 59)
 * Louisiana 406.svg Louisiana Highway 406
 * MD Route 406.svg Maryland Route 406 (former)
 * New Mexico 406.svg New Mexico State Road 406
 * New York:
 * NY-406.svg New York State Route 406
 * Erie County 406 NY.svg County Route 406 (Erie County, New York)
 * Ellipse sign 406.svg Puerto Rico Highway 406
 * Virginia 406.svg Virginia State Route 406
 * Virginia State Route 406 (former)