The following highways are numbered 145:

This list is incomplete; you can help by adding missing items. (August 2008)

Australia

• Lower Barrington Road, Paloona Road, Melrose Road, Bellamy Road, Forthside Road (Tasmania)
• Inverleigh–Winchelsea Road (Victoria)

Canada

• Winnipeg Route 145
• New Brunswick Route 145
• Prince Edward Island Route 145

Costa Rica

• National Route 145

Japan

• Japan National Route 145
• Fukuoka Prefectural Route 145
• Nara Prefectural Route 145

Malaysia

• Malaysia Federal Route 145

United States

• Alabama State Route 145
• Arkansas Highway 145
• California State Route 145
  • County Route 145 (California)
• Colorado State Highway 145
• Connecticut Route 145
• Florida State Road 145
  • County Road 145 (Hamilton County, Florida)
• Georgia State Route 145
• Hawaii Route 145
• Illinois Route 145
• Indiana State Road 145
• Iowa Highway 145 (former)
• Kentucky Route 145
• Louisiana Highway 145
• Maine State Route 145
• Maryland Route 145
• Massachusetts Route 145
• M-145 (Michigan highway) (former)
• Mississippi Highway 145
• Missouri Route 145
• New Hampshire Route 145
• New Mexico State Road 145
• New York State Route 145
  • County Route 145 (Broome County, New York)
  • County Route 145 (Fulton County, New York)
  • County Route 145 (Herkimer County, New York)
  • County Route 145 (Rensselaer County, New York)
  • County Route 145 (Schenectady County, New York)
• North Carolina Highway 145
• Ohio State Route 145
• Oklahoma State Highway 145
• Pennsylvania Route 145
• South Carolina Highway 145
• Tennessee State Route 145
• Texas State Highway 145 (former)
  • Texas State Highway Loop 145
  • Texas State Highway Spur 145 (former)
  • Farm to Market Road 145
• Utah State Route 145
  • Utah State Route 145 (1933-1969) (former)
• Virginia State Route 145
• Wisconsin Highway 145

Territories

• Puerto Rico Highway 145