The following highways are numbered 198:
 | This list is incomplete; you can help by adding missing items. (August 2008) |
Canada
India
Japan
Malaysia
FT 198 Malaysia Federal Route 198 (Jalan Jedok-Air Canal-Legeh)
United Kingdom
- A198 road
- B198 road
United States
- Alabama State Route 198
- Arkansas Highway 198
- California State Route 198
- Connecticut Route 198
- Georgia State Route 198
- Iowa Highway 198 (former)
- K-198 (Kansas highway)
- Kentucky Route 198
- Maine State Route 198
- Maryland Route 198
- Massachusetts Route 198
- M-198 (Michigan highway) (former)
- Mississippi Highway 198
- New Mexico State Road 198
- New York State Route 198
- North Carolina Highway 198
- Ohio State Route 198
- Pennsylvania Route 198
- South Carolina Highway 198
- Tennessee State Route 198
- Texas State Highway 198
- Farm to Market Road 198 (Texas)
- Utah State Route 198
- Virginia State Route 198
Territories:
| Preceded by 197 |
Lists of highways 198 |
Succeeded by 199 |
