Several highways are numbered 100:

Australia Great Ocean Road, Victoria Surf Coast Highway, Victoria Flinders Highway, South Australia Lincoln Highway, South Australia

Canada Alberta Highway 100 (Sherwood Park Freeway) (unsigned) Manitoba Highway 100 (Perimeter Highway) New Brunswick Route 100 Newfoundland and Labrador Route 100 Niagara Regional Road 100, Ontario former Highway 100 (Ontario)

Costa Rica National Route 100

Croatia

D100 road

Germany Bundesautobahn 100, the Berliner Stadtring (Berlin City Ring Road) Bundesstraße 100

India

National Highway 100 (former, now National Highway 522 (India))

Korea, South Seoul Ring Expressway

Malaysia Jalan Gula, Perak State Route A100, a road in Perak Federal Route 100 (Lumut Bypass), a highway bypass in Manjung district, Perak

Mexico Mexico Federal Highway 100 Jalisco State Highway 100 Sonora State Highway 100

Netherlands Stadsroute 100 (Amsterdam), the city center ring road

Nigeria F100 highway (Nigeria)

Philippines N100 highway (Philippines)

Poland

Voivodeship road 100 (Poland) in the Pomeranian Voivodeship

Serbia

State Road 100 (Serbia), an IIA-class road connecting Horgoš with Batajnica.

Turkey State road D.100 (Turkey), a west–east state road running from the Bulgarian border to Iranian border.

United Kingdom road, part of the London Inner Ring Road B100 road

United States Alabama State Route 100 County Route 100 (Lee County, Alabama) Arkansas Highway 100 California State Route 100 Colorado State Highway 100 Connecticut Route 100 Delaware Route 100 Florida State Road 100 Georgia State Route 100 Illinois Route 100 Indiana State Road 100 (former) Iowa Highway 100 K-100 (Kansas highway) (former) Kentucky Route 100 Louisiana Highway 100 Maine State Route 100 Maryland Route 100 Maryland Route 100 (1930s-1950s) Maryland Route 100 (former) Maryland Route 100J Maryland Route 100L Maryland Route 100M Maryland Route 100N Maryland Route 100O Maryland Route 100P Maryland Route 100Q Maryland Route 100R Maryland Route 100S Maryland Route 100T Maryland Route 100U Maryland Route 100V Maryland Route 100W Maryland Route 100X M-100 (Michigan highway) Minnesota State Highway 100 Missouri Route 100 Nebraska Highway 100 (former) New Jersey Route 100 (former) County Route 100 (Bergen County, New Jersey) New York State Route 100 County Route 100 (Cortland County, New York) County Route 100 (Dutchess County, New York) County Route 100 (Rockland County, New York) County Route 100 (Suffolk County, New York) County Route 100 (Wayne County, New York) North Carolina Highway 100 Ohio State Route 100 Oklahoma State Highway 100 Pennsylvania Route 100 Rhode Island Route 100 South Dakota Highway 100 (proposed) Tennessee State Route 100 Texas State Highway 100 Texas State Highway Spur 100 Farm to Market Road 100 Texas Park Road 100 Utah State Route 100 Vermont Route 100 Virginia State Route 100 Washington State Route 100 West Virginia Route 100 Wisconsin Highway 100

Territories Puerto Rico Highway 100

See also List of highways numbered 100A List of highways numbered 100B List of highways numbered 100C A100