The following highways are numbered 70:

• AH70 Asian Highway 70
• E70 European route E70
• Arab Mashreq route M70

• Peak Downs Highway – Queensland State Route 70 (Regional)
• Sunshine Motorway – Queensland State Route 70 (Sunshine Coast)
• Sparks Road

• BR-070

• Newfoundland and Labrador Route 70
• Quebec Autoroute 70

• G70 Expressway

• D70 road (Croatia)

• Bundesautobahn 70
• Bundesstraße 70

• EO70 road

• NH 70

• N70 road (Ireland)

• Highway 70 (Israel)

• M70 motorway (Hungary)

• Highway 70

• Gukjido 70

• Inland Kaikoura Road

• Norwegian National Road 70

• N70 highway (Philippines)

• Autovía A-70
• Autovía CV-70

• R70 road (South Africa)

• A70 road

• Interstate 70
  • Interstate 70N (Maryland) (former proposal)
  • Interstate 70S (District of Columbia–Maryland) (former proposal)
  • Interstate 70S (Pennsylvania) (former)
• U.S. Route 70
• Alabama State Route 70
• California State Route 70
• Colorado State Highway 70 (1923-1968) (former)
• Connecticut Route 70
• Florida State Road 70
• Georgia State Route 70
  • Georgia State Route 70 (1932–1941) (former)
• Illinois Route 70
• Indiana State Road 70
• Iowa Highway 70
• K-70 (Kansas highway) (former)
• Kentucky Route 70
• Louisiana Highway 70
• Maryland Route 70
  • Maryland Route 70B (former)
  • Maryland Route 70C
• Massachusetts Route 70
• M-70 (Michigan highway) (former)
• Minnesota State Highway 70
  • County Road 70 (Dakota County, Minnesota)
  • County Road 70 (Hennepin County, Minnesota)
• Missouri Route 70 (1922) (former)
• Nebraska Highway 70
• Nevada State Route 70 (former)
• New Jersey Route 70
  • County Route 70 (Bergen County, New Jersey)
• New York State Route 70
  • County Route 70 (Chautauqua County, New York)
  • County Route 70 (Dutchess County, New York)
  • County Route 70 (Livingston County, New York)
  • County Route 70 (Madison County, New York)
  • County Route 70 (Oneida County, New York)
  • County Route 70 (Orleans County, New York)
  • County Route 70 (Putnam County, New York)
  • County Route 70 (Saratoga County, New York)
  • County Route 70 (Suffolk County, New York)
  • County Route 70 (Warren County, New York)
• North Carolina Highway 70 (former)
• Ohio State Route 70 (1923) (former)
• Oklahoma State Highway 70B
• Oklahoma State Highway 70C
• Oklahoma State Highway 70D
• Oklahoma State Highway 70E
• Oklahoma State Highway 70F
• Oregon Route 70
• Pennsylvania Route 70 (former)
• South Carolina Highway 70
• Tennessee State Route 70
• Texas State Highway 70
  • Texas State Highway Loop 70
  • Farm to Market Road 70
  • Texas Park Road 70
• Utah State Route 70 (1931–1977) (former)
• Virginia State Route 70
• Wisconsin Highway 70
• West Virginia Route 70 (1920s) (former)
• Wyoming Highway 70

Territories

• U.S. Virgin Islands Highway 70

• List of highways numbered 70A
• A70 (disambiguation)