The Rhode Island Department of Transportation (RIDOT) is a Rhode Island state government agency charged with design, construction, maintenance and inspection of a wide range of transportation infrastructure. These include 1,102 miles (2,908 lane miles) of state roads and highways, 772 bridges, and 777 traffic signals. Additionally, RIDOT has constructed a 50-mile (80 km) network of off-road bike paths and signed more than 90 miles (140 km) of on-road bike routes across the state.