In 1955, Louisiana passed a law that undertook a comprehensive revision to the state highway classification and numbering system. The new system designated...

routes up to and including LA 1241 were designated in the 1955 Louisiana Highway renumbering. The remainder have been added to the system in numerical...

Transportation and Development (La DOTD) and were designated in the 1955 Louisiana Highway renumbering. All but three of the routes on this list are proposed for...

LA 301 in the 1955 Louisiana Highway renumbering. In the early 1990s, La DOTD renumbered disconnected portions of several state highway routes, and the...

with the 1955 Louisiana Highway renumbering. Louisiana Highway 612 (LA 612) runs 3.60 miles (5.79 km) from Bossier City to Sligo. Louisiana Highway 613 (LA...

a list of state highways in the U.S. state of Louisiana designated in the 1-50 range prior to the 1955 Louisiana Highway renumbering. All were part of...

of state highways in the U.S. state of Louisiana designated in the 51-100 range prior to the 1955 Louisiana Highway renumbering. Louisiana State Route...

was created with the 1955 Louisiana Highway renumbering, and its route has remained the same to the present day. The entire highway is in Dulac, Terrebonne...

entire highway is in Gretna, Jefferson Parish. LA 466 originally consisted of 16 hyphenated routes designated in the 1955 Louisiana Highway renumbering. All...

New Orleans. All thirteen routes were established with the 1955 Louisiana Highway renumbering. From the west, LA 611-1 begins on River Road at an intersection...

Transportation and Development (La DOTD) and were designated in the 1955 Louisiana Highway renumbering. All but four of the routes on this list are proposed for...

the pre-1955 state highway system, LA 651 was designated as State Route 891. LA 651 was created with the 1955 Louisiana Highway renumbering and deleted...

suburban city south of Lafayette. LA 92 was created in the 1955 Louisiana Highway renumbering from portions of several former state routes. Through most...

the pre-1955 state highway system, LA 1053 was designated as State Route 1057. LA 1053 was created in the 1955 Louisiana Highway renumbering, and its...

in Jonesville. The entire highway is in Jonesville, Catahoula Parish. As designated in the 1955 Louisiana Highway renumbering, LA 927 originally comprised...

Tunica, Retreat, and Weyanoke. LA 66 was designated in the 1955 Louisiana Highway renumbering, replacing former State Route 124. The route is also designated...

Belle and Lower Grand rivers. LA 69 was designated in the 1955 Louisiana Highway renumbering from portions of several former state routes. From the south...

the pre-1955 state highway system, LA 184 was designated as State Route C-2040. LA 184 was created in the 1955 Louisiana Highway renumbering, and its...

as Smith Street. It connects LA 3033 to LA 34. Before the 1955 Louisiana Highway renumbering, LA 840-1 was signed as State Route 2185. It also served as...

thoroughfare on the south side of town. LA 139 was designated in the 1955 Louisiana Highway renumbering from a portion of former State Route 14. It also served as...

Parish. All twelve routes were established with the 1955 Louisiana Highway renumbering. Louisiana Highway 574-1 (LA 574-1) spans 0.66 miles (1.06 km) from...

and continues toward Bogalusa. LA 41 was designated in the 1955 Louisiana Highway renumbering from sections of former State Routes 58 and 484. In the late...

at Esler Army Airfield until the 1955 Louisiana Highway renumbering. LA 116 was created in 1955 as a direct renumbering of State Route 309. La 116—From...

route remained the same until the 1955 Louisiana Highway renumbering. LA 136 was created in 1955 as direct renumbering of State Route C-1604. La 136—From...

miles (0.61 km). All three routes were established in the 1955 Louisiana Highway renumbering and are presently unsigned. As of 2017, the routes are currently...

two-lane highway for its entire length. Prior to the 1955 Louisiana Highway renumbering, LA 982 was part of State Route 135. Louisiana Highway 983 (LA 983)...

Incident Alternate Route of I-10. LA 76 was designated in the 1955 Louisiana Highway renumbering, essentially replacing State Route 998 and State Route 142...

the route was re-aligned by the time of the 1955 Louisiana Highway renumbering. Further east, the pre-1955 route generally followed the current business...

legislature in 1928 and existed until the 1955 Louisiana Highway renumbering. LA 59 was created in the 1955 renumbering following the north–south portion of...

Simsboro. All three routes were established in the 1955 Louisiana Highway renumbering. Louisiana Highway 817-1 (LA 817-1) ran 0.51 miles (0.82 km) in a north–south...