List of highways numbered 346

The following highways are numbered 346:

Australia
Avenel-Nagambie Road

Canada

 * Manitoba Provincial Road 346
 * Newfoundland and Labrador Route 346.svg Newfoundland and Labrador Route 346
 * Qc346.svg Quebec Route 346

Japan

 * Japanese National Route Sign 0346.svg Japan National Route 346

United States

 * Georgia 346.svg Georgia State Route 346 (former)
 * Iowa 346.svg Iowa Highway 346
 * Elongated circle 346.svg Kentucky Route 346
 * Louisiana 346.svg Louisiana Highway 346
 * MD Route 346.svg Maryland Route 346
 * New York:
 * NY-346.svg New York State Route 346
 * Erie County 346 NY.svg County Route 346 (Erie County, New York)
 * County Route 346 (Wayne County, New York)
 * PA-346.svg Pennsylvania Route 346
 * Ellipse sign 346.svg Puerto Rico Highway 346
 * South Carolina 346.svg South Carolina Highway 346
 * Secondary Tennessee 346.svg Tennessee State Route 346
 * Texas:
 * Texas 346.svg Texas State Highway 346 (former)
 * Texas FM 346.svg Farm to Market Road 346
 * Vermont 346.svg Vermont Route 346
 * Virginia 346.svg Virginia State Route 346