List of highways numbered 450

The following highways are numbered 450:

Canada

 * Manitoba Provincial Road 450
 * New Brunswick Route 450
 * Newfoundland and Labrador Route 450

Japan

 * Japanese National Route Sign 0450.svg Route 450 (Japan)

United States

 * US 450.svg U.S. Route 450 (former)
 * Florida 450.svg Florida State Road 450
 * Indiana 450.svg Indiana State Road 450
 * Iowa 450.svg Iowa Highway 450
 * MD Route 450.svg Maryland Route 450
 * Circle sign 450.svg Mississippi Highway 450
 * New Mexico 450.svg New Mexico State Road 450
 * OH-450.svg Ohio State Route 450
 * Ellipse sign 450.svg Puerto Rico Highway 450
 * WY-450.svg Wyoming Highway 450