The following highways are numbered 198:

Canada

• Quebec Route 198

India

• Andhra Pradesh State Highway 198

Japan

• Japan National Route 198

Malaysia

• Malaysia Federal Route 198 (Jalan Jedok-Air Canal-Legeh)

United Kingdom

• 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:

Puerto Rico Highway 198

• Puerto Rico Highway 198R