List of highways numbered 170

The following highways are numbered 170:

Canada

• File:NB 170.svg New Brunswick Route 170
• File:PEI Highway 170.svg Prince Edward Island Route 170
• File:Qc170.svg Quebec Route 170

Costa Rica

• File:CR RNS 170.svg National Route 170

Japan

• File:Japanese National Route Sign 0170.svg Japan National Route 170

United Kingdom

• road
• B170 road

United States

• File:I-170 (MO).svg Interstate 170 (Missouri)
• File:I-170.svg Interstate 170 (Maryland) (former)
• File:US 170 (1926).svg U.S. Route 170 (former)
• File:Alabama 170.svg Alabama State Route 170
• File:Arizona 170.svg Arizona State Route 170 (former)
• File:Arkansas 170.svg Arkansas Highway 170
• File:California 170.svg California State Route 170
• File:Colorado 170.svg Colorado State Highway 170
• File:Georgia 170.svg Georgia State Route 170 (former)
• File:Illinois 170.svg Illinois Route 170
• File:K-170.svg K-170 (Kansas highway)
• File:Elongated circle 170.svg Kentucky Route 170
• File:Louisiana 170.svg Louisiana Highway 170
• File:MA Route 170.svg Maine State Route 170
• File:MD Route 170.svg Maryland Route 170
• File:M-170.svg M-170 (Michigan highway) (former)
• File:Nevada 170.svg Nevada State Route 170
• File:Ellipse sign 170.svg New Jersey Route 170 (former)
• File:New Mexico 170.svg New Mexico State Road 170
• File:NY-170.svg New York State Route 170
  • File:NY-170A.svg New York State Route 170A
• File:OH-170.svg Ohio State Route 170
• File:PA-170.svg Pennsylvania Route 170
• File:South Carolina 170.svg South Carolina Highway 170
• File:Secondary Tennessee 170.svg Tennessee State Route 170
• File:Texas 170.svg Texas State Highway 170
  • File:Texas Loop 170.svg Texas State Highway Loop 170
  • File:Texas FM 170.svg Farm to Market Road 170
• File:Utah SR 170.svg Utah State Route 170 (former)
• File:Virginia 170.svg Virginia State Route 170
• File:WA-170.svg Washington State Route 170
• File:WIS 170.svg Wisconsin Highway 170
• File:WY-170.svg Wyoming Highway 170

Territories

• File:Ellipse sign 170.svg Puerto Rico Highway 170

Preceded by 169

Lists of highways 170

Succeeded by 171