List of highways numbered 173

The following highways are numbered 173:

Canada

• Prince Edward Island Route 173
• File:Qc173.svg Quebec Route 173

India

• File:NH173-IN.svg National Highway 173 (India)

Ireland

• File:IRL R173.svg R173 road

Japan

• File:Japanese National Route Sign 0173.svg Japan National Route 173

Korea, South

• Iksan–Pyeongtaek Expressway Branch

Philippines

• File:N173 (Philippines).svg National Route 173 (Philippines)

United Kingdom

• road
• B173 road

United States

• File:Alabama 173.svg Alabama State Route 173
• File:Arizona 173.svg Arizona State Route 173 (former)
• File:California 173.svg California State Route 173
• File:Connecticut Highway 173.svg Connecticut Route 173
• File:Florida 173.svg Florida State Road 173
• File:Georgia 173.svg Georgia State Route 173
• File:Illinois 173.svg Illinois Route 173
• File:Iowa 173.svg Iowa Highway 173
• File:K-173.svg K-173 (Kansas highway)
• File:Elongated circle 173.svg Kentucky Route 173
• File:Louisiana 173.svg Louisiana Highway 173
• File:MA Route 173.svg Maine State Route 173
• File:MD Route 173.svg Maryland Route 173
• File:M-173.svg M-173 (Michigan highway) (former)
• File:MO-173.svg Missouri Route 173
• File:Ellipse sign 173.svg New Jersey Route 173
• File:New Mexico 173.svg New Mexico State Road 173
• File:NY-173.svg New York State Route 173
• File:OH-173.svg Ohio State Route 173
• File:OR 173.svg Oregon Route 173
• File:PA-173.svg Pennsylvania Route 173
• File:South Carolina 173.svg South Carolina Highway 173
• File:Secondary Tennessee 173.svg Tennessee State Route 173
• File:Texas 173.svg Texas State Highway 173
  • File:Texas Loop 173.svg Texas State Highway Loop 173
  • File:Texas FM 173.svg Farm to Market Road 173 (Texas)
• File:Utah SR 173.svg Utah State Route 173
• File:Virginia 173.svg Virginia State Route 173
• File:WA-173.svg Washington State Route 173
• File:WIS 173.svg Wisconsin Highway 173
• File:WY-173.svg Wyoming Highway 173

Territories

• File:PR secondary 173.svg Puerto Rico Highway 173

Preceded by 172

Lists of highways 173

Succeeded by 174