List of highways numbered 90
The following highways are numbered 90:
Brazil
- BR-090
Canada
- Newfoundland and Labrador Route 90
- Winnipeg Route 90
Greece
- A90 motorway
- EO90 road
Israel/Palestine
- Highway 90
Italy
- Autostrada A90
Korea, South
- Gukjido 90
New Zealand
- New Zealand State Highway 90
United Kingdom
- A90 road
- M90 motorway
United States
- Interstate 90
- U.S. Route 90
- County Route 90
- Arizona State Route 90
- Arkansas Highway 90
- California State Route 90
- Colorado State Highway 90
- Florida State Road 90
- Georgia State Route 90
- Illinois Route 90
- Iowa Highway 90
- K-90
- Kentucky Route 90
- Maine State Route 90
- Maryland Route 90
- M-90
- Minnesota State Highway 90
- * County Road 90
- Missouri Route 90
- Nebraska Highway 90
- * Nebraska Spur 90A
- * Nebraska Spur 90B
- Nevada State Route 90
- New Jersey Route 90
- * County Route 90
- New Mexico State Road 90
- New York State Route 90
- * County Route 90
- * County Route 90
- * County Route 90
- * County Route 90
- * County Route 90
- * County Route 90
- * County Route 90
- * County Route 90
- * County Route 90
- * County Route 90
- * County Route 90
- North Carolina Highway 90
- Ohio State Route 90
- Oregon Route 90
- Pennsylvania Route 90
- South Carolina Highway 90
- Tennessee State Route 90
- Texas State Highway 90
- * Texas State Highway Loop 90
- * Farm to Market Road 90
- Utah State Route 90
- Virginia State Route 90
- West Virginia Route 90
- Wisconsin Highway 90
- Wyoming Highway 90