The extensive network of roadways of the state is clearly indicated in the Louisiana Road Map. The northern part of Louisiana is easily accessible from the southern end of the state by the Interstate Highways of 49 and 55. The eastern and western ends of the State of Louisiana are connected by the Interstate Highways of 10, 12 and 20. The state had a total of 98,009 kilometer of roads and streets in the year of 2000. Louisiana had 1,964,694 numbers of registered automobiles and 1,570,804 numbers of registered trucks during the year of 2000. The Louisiana State Map points out the several state and national highways that conveniently joins all the major towns of the state. Some of the prominent US Highways of Louisiana include road routes of 167, 90, 190, 71, 171, 84, 165, 79, 80 and 61. The major towns of Morgan City, Alexandria, Sulphur, Baton Rouge, Baker, Zachary, Opelousas, Crowley, Bogalusa, Houma, Pineville, De Ridder, Jennings, Lafayette, Thibodaux, Ruston, Monroe, Minden, Shreveport, Bastrop and Eunice are well connected by the good roads of Louisiana. The Louisiana Department of Transportation and Development construct new roads and look after the maintenance of the old roads of the state.