List of highways numbered 172

The following highways are numbered 172:

Canada

• File:NB 172.svg New Brunswick Route 172
• File:PEI Highway 172.svg Prince Edward Island Route 172
• File:Qc172.svg Quebec Route 172

Ireland

• File:IRL R172.svg R172 road

Japan

• File:Japanese National Route Sign 0172.svg Japan National Route 172

United Kingdom

• road
• B172 road

United States

• File:I-172.svg Interstate 172 (former)
• File:I-172.svg Interstate 172
• File:Alabama 172.svg Alabama State Route 172
• File:Arizona 172.svg Arizona State Route 172 (former)
• File:California 172.svg California State Route 172
• File:Colorado 172.svg Colorado State Highway 172
• File:Connecticut Highway 172.svg Connecticut Route 172
• File:Georgia 172.svg Georgia State Route 172
• File:Illinois 172.svg Illinois Route 172
• File:Elongated circle 172.svg Kentucky Route 172
• File:Louisiana 172.svg Louisiana Highway 172
• File:MA Route 172.svg Maine State Route 172
• File:MD Route 172.svg Maryland Route 172
• File:M-172.svg M-172 (Michigan highway) (former)
• File:MN-172.svg Minnesota State Highway 172
• File:Ellipse sign 172.svg Mississippi Highway 172
• File:MO-172.svg Missouri Route 172
• File:Nevada 172.svg Nevada State Route 172
• File:Ellipse sign 172.svg New Jersey Route 172
• File:New Mexico 172.svg New Mexico State Road 172
• File:NY-172.svg New York State Route 172
• File:NC 172.svg North Carolina Highway 172
• File:OH-172.svg Ohio State Route 172
• File:PA-172 (1926).svg Pennsylvania Route 172 (former)
• File:South Carolina 172.svg South Carolina Highway 172
• File:Secondary Tennessee 172.svg Tennessee State Route 172
• File:Texas 172.svg Texas State Highway 172
  • File:Texas Loop 172.svg Texas State Highway Loop 172
  • File:Texas Spur 172.svg Texas State Highway Spur 172
  • File:Texas FM 172.svg Farm to Market Road 172 (Texas)
• File:Utah SR 172.svg Utah State Route 172
• File:Virginia 172.svg Virginia State Route 172
• File:WA-172.svg Washington State Route 172
• File:WIS 172.svg Wisconsin Highway 172
• File:WY-172.svg Wyoming Highway 172

Territories:

• File:PR urban primary 172.svg Puerto Rico Highway 172

Preceded by 171

Lists of highways 172

Succeeded by 173