List of highways numbered 315

The following highways are numbered 315:

Canada

 * Manitoba secondary 315.svg Manitoba Provincial Road 315
 * NB 315.svg New Brunswick Route 315
 * PEI_Highway_315.svg Prince Edward Island Route 315
 * Qc315.svg Quebec Route 315

China

 * Kokudou 315(China).svg China National Highway 315

Costa Rica

 * CR RNT 315.svg National Route 315

India

 * NH315-IN.svg National Highway 315 (India)

Japan

 * Japanese National Route Sign 0315.svg Japan National Route 315

United States

 * I-315.svg Interstate 315 (unsigned)
 * Arkansas 315.svg Arkansas Highway 315
 * Connecticut Highway 315.svg Connecticut Route 315
 * Florida 315.svg Florida State Road 315 (former)
 * Georgia 315.svg Georgia State Route 315
 * Iowa 315.svg Iowa Highway 315 (former)
 * Elongated circle 315.svg Kentucky Route 315
 * Louisiana 315.svg Louisiana Highway 315
 * MD Route 315.svg Maryland Route 315
 * Maryland Route 315 (former)
 * Ellipse sign 315.svg Mississippi Highway 315
 * MT-sec-315.svg Montana Secondary Highway 315
 * New Mexico 315.svg New Mexico State Road 315
 * New York:
 * NY-315.svg New York State Route 315
 * Erie County 315 NY.svg County Route 315 (Erie County, New York)
 * OH-315.svg Ohio State Route 315
 * Ohio State Route 315C (unsigned)
 * PA-315.svg Pennsylvania Route 315
 * South Carolina 315.svg South Carolina Highway 315
 * Secondary Tennessee 315.svg Tennessee State Route 315
 * Texas:
 * Texas 315.svg Texas State Highway 315
 * Texas FM 315.svg Farm to Market Road 315
 * Utah SR 315.svg Utah State Route 315
 * Ellipse sign 315.svg Vermont Route 315
 * Virginia 315.svg Virginia State Route 315
 * WY-315.svg Wyoming Highway 315

Other areas:
 * PR secondary 315.svg Puerto Rico Highway 315
 * Ellipse sign 315.svg U.S. Virgin Islands Highway 315