LA500 initially travels due east from US167 along the Grant–Winn parish line. It then curves southeast through the Kisatchie National Forest and proceeds into the village of Georgetown. Here, the highway crosses the four-lane US165 and zigzags north and east through the center of town. Heading southeast from Georgetown, LA500 crosses the Little River in LaSalle Parish. The route continues through the tiny rural communities of Zenoria, Little Creek, and Searcy until reaching its eastern terminus at a T-intersection with US84 west of Trout, an unincorporated community outside Jena. LA500 is an undivided two-lane highway for its entire route.[2]
The route heads due east from US 165 then turns northward after crossing the Union Pacific Railroad (UPRR) tracks. Now running parallel to US 165, LA 502 enters Georgetown and intersects LA 500. The north–south section of the route represents the original alignment of US 165 in the area. It is an undivided two-lane highway for its entire length.[4][5][6]
The route is roughly L-shaped, initially heading northwest from US 167.[6][9][10] It then curves to the northeast, passing between the towns of Jonesboro and Dodson as it crosses US 167 at Wyatt. LA 505 continues northeast to an intersection with LA 4 in Weston. It is an undivided two-lane highway for its entire length.[9][11][12]
Louisiana Highway 506 runs in a general Northwest - Southeast direction from LA-124 in LaSalle Parish, to Hebron Rd in Caldwell Parish.
Beginning at its Southeastern terminus at LA-124, LA-506 runs 4.3 miles in a northern direction to the southern terminus of LA-849 east of Kelly. It then continues west for 3 miles, where it crosses U.S. Highway 165, then continues west approximately 10 miles. Its Northern terminus is at a point where State maintenance ends and the road becomes gravel.
Except for the 1 mile section between its intersection with LA-843 to its intersection with US-165, the entire route is scheduled for deletion as part of Louisiana's "Right Sizing" program.
The route heads in a general northeast direction from an intersection with US 79 at the northern tip of Homer. It makes a brief jog eastward onto LA 2 Alternate at Colquitt before turning north toward LA 161 just south of the Arkansas state line. It is an undivided two-lane highway for its entire length.[27][28][29]
Louisiana Highway 523 (LA 523) runs 5.88 miles (9.46km) in a southeast to northwest direction from LA 1 to LA 511 in Shreveport, Caddo Parish.[32]
The route heads west from LA 1 at Lucas, a point within the southeast corner of Shreveport. After intersecting LA 3132 (Inner Loop Expressway), LA 523 curves to the southwest then turns northwest. The highway follows Ellerbe Road across LA 516 (East Bert Kouns Industrial Loop) to a second interchange with LA 3132 just east of I-49. LA 523 proceeds northward onto Line Avenue to its terminus at LA 511 in an area of Shreveport known as Cedar Grove.[29][32][33]
Louisiana Highway 524 (LA 524) runs 9.88 miles (15.90km) in a north–south direction from US 165 north of Pollock to the end of state maintenance at a point just north of LA 123 in Breezy Hill, Grant Parish.[34]
The route parallels US 165 through the community of Antonia. It then makes a brief jog onto US 165 before crossing to the west side of the highway and continuing toward Breezy Hill, where it continues as a local road. LA 524 represents the original alignment of US 165 through the area. It is an undivided two-lane highway for its entire length.[5][6][34]
Louisiana Highway 526 (LA526), also known as the Bert Kouns Industrial Loop, provides a southern bypass around Shreveport, connecting with LA 1 and US 71 eastbound, and US 171 and I-20 westbound. It intersects I-49 seven miles south of I-20.
The route begins at an intersection with LA 3049 in Shreveport, just south of I-220. LA 3049 continues the route south on Grimmett Drive and makes a right to the north on Dixie Shreveport Road. From this intersection, LA 538 heads north on Old Mooringsport Road, retaining this name until halfway through Mooringsport. It crosses under I-220, and shortly after, it has an intersection with Ravendale Drive at a traffic circle. LA 538 continues north for 2.8 miles (4.5km) before making a brief jog onto US 71. After crossing out of the Shreveport city limits, LA 538 begins a northwest course for 2.5mi (4.0km), crossing a bridge over I-49 before curving to the southwest and intersecting with LA 1, where it turns northwest and then to the west, before curving back to the northwest shortly after passing a high school. LA 538 continues northwest for 2.7mi (4.3km) before intersecting LA 173. LA 173 heads north to a point known as Dixie, also intersecting LA 1. Shortly, after, LA 538 curves to the north-northwest, crossing under the Kansas City Southern Railway tracks. After 4.1mi (6.6km), LA 538 enters the town of Mooringsport, and shortly after it intersects with LA 169, which heads northeast to just northwest of Dixie. From here, LA 538 curves to the west and then to the north, where Old Mooringsport Road ends and LA 538 gains the local name of Latimer Street. Shortly after, LA 538 curves to the northeast and then to the north as it crosses a bridge over Caddo Lake. LA 538 parallels the Caddo Lake Historic Drawbridge while on this bridge. LA 538 also begins to parallel the Kansas City Southern Railway tracks before splitting from the railway as the highway curves to the northeast and then to the northwest, before intersecting with LA 1 a second time. After 1.3mi (2.0km), LA 538 enters the town of Oil City, gaining the local name of Kerley Avenue. Shortly after entering town, LA 538 intersects LA 530 (Allen Street). LA 538 and LA 530 begin a concurrency for 1.1mi (1.8km) until LA 530 splits off to the east toward the village of Belcher. LA 538 continues north for a final 2.2mi (3.5km) before reaching its northern terminus at a third intersection with LA 1, just north of Oil City. LA 538 is an undivided two-lane highway except for the traffic circle at Ravendale Drive.
Louisiana Highway 541 (LA 541) runs 9.72 miles (15.64km) in a general east–west direction from LA18 in Avondale to a second junction with LA18 in Harvey, Jefferson Parish.[49]
The route heads north on River Road from LA18 through the community of Bridge City, where it begins to parallel the west bank levee of the Mississippi River. After crossing underneath the Huey P. Long Bridge on US90, LA541 follows a sharp bend in the river known as Nine Mile Point. Now heading south, the highway enters the city of Westwego and has a brief concurrency with LA18. Its local name briefly changes to Labauve Drive within the city limits. Continuing eastward along the river, LA541 crosses into Marrero and intersects LA560-2 (Barataria Boulevard), a short connector to LA18 and LA45. After crossing from Marrero into another unincorporated community known as Harvey, LA541 curves south onto Destrehan Avenue alongside the Harvey Canal, a link in the Gulf Intracoastal Waterway. The route ends shortly afterward at LA18 (4th Street) adjacent to a bascule bridge spanning the canal on that highway. LA541 is an undivided two-lane highway for its entire length.[49][50]
Louisiana Highway 546 (LA 546) runs 10.75 miles (17.30km) in a southwest to northeast direction from LA 34 northeast of Eros to a junction with US 80 and LA 15 west of Monroe, Ouachita Parish.[55]
The route heads northeast from LA 34 and intersects LA 151 at Cadeville where it passes West Ouachita High School. Near the end of its route, LA 546 crosses the Kansas City Southern Railway (KCSRW) tracks via an overpass and travels through an interchange with I-20 in Cheniere. It ends a short distance later at an intersection with US 80 and southbound LA 15, connecting to West Monroe. Northbound LA 15 continues straight ahead toward Farmerville. LA 546 is an undivided two-lane highway for its entire length.[12][55][56]
Interstate 12 (I-12) is an intrastate Interstate Highway located entirely within the US state of Louisiana. It spans a total of 85.59 miles (137.74 km) in an east–west direction from I-10 in Baton Rouge to an interchange with both I-10 and I-59 in Slidell. Along the way, it passes through the city of Hammond, where it intersects I-55 and US Route 51 (US 51). It also serves the cities of Ponchatoula and Denham Springs, as well as the St. Tammany Parish cities of Covington and Mandeville.
Louisiana Highway 109 is a state highway located in southwestern Louisiana that runs 40.0 miles (64.4 km) in a north–south direction from U.S. Highway 90 and LA 3112 southwest of Vinton to LA 27 at Juanita, a point north of DeQuincy. A largely rural route, LA 109 parallels the Texas–Louisiana border and passes through the community of Starks in Calcasieu Parish where it intersects LA 12. The southern terminus of LA 109 is located just north of I-10 between Orange, Texas and Vinton, Louisiana.
Louisiana Highway 104 is a state highway located in southwestern Louisiana. It runs 41.4 miles (66.6 km) in a west–east direction from LA 26 southeast of Oberlin to U.S. Highway 190 in Opelousas. Along the way, it passes through the town of Mamou and intersects various north–south routes that service points along US 190 such as Elton, Basile, and Eunice. East of Mamou, connections are also made to Ville Platte, the St. Landry Parish seat, on US 167/LA 10.
Louisiana Highway 106 is a state highway located primarily in Evangeline Parish that runs 24.2 miles (38.9 km) in a west–east direction from LA 10 east of Oakdale to LA 29 south of Bunkie. Along the way, LA 106 passes through the towns of Pine Prairie and St. Landry and intersects U.S. Highway 167. Near the east end of its route, LA 106 passes through an interchange with Interstate 49 (I-49) between Opelousas and Alexandria in the southwest corner of Avoyelles Parish.
Louisiana Highway 108 is a state highway located in western Calcasieu Parish, Louisiana that runs 24.8 miles (39.9 km) in a general west–east direction from Interstate 10 (I-10) in Vinton to U.S. Highway 90 in Sulphur. The highway runs in roughly a "U" shape along section line roads, dipping southward from Vinton then east parallel to I-10 and back to the north toward Sulphur. The majority of the route is signed west–east except for the eastern leg running north to Sulphur, which is signed north–south. The latter section is also the most travelled, providing access to the oil and petrochemical industry south of Sulphur and a connection to LA 27.
1 2 Grant Parish (East Section)(PDF) (Map). Cartography by La DOTD Office of Multimodal Planning. Louisiana Department of Transportation and Development. February 2012. Retrieved September 29, 2013.
↑ Winn Parish (West Section)(PDF) (Map). Cartography by La DOTD Office of Multimodal Planning. Louisiana Department of Transportation and Development. February 2012. Retrieved September 29, 2013.
↑ Jackson Parish(PDF) (Map). Cartography by La DOTD Office of Multimodal Planning. Louisiana Department of Transportation and Development. February 2012. Retrieved September 29, 2013.
↑ Claiborne Parish(PDF) (Map). Cartography by La DOTD Office of Multimodal Planning. Louisiana Department of Transportation and Development. February 2012. Retrieved September 29, 2013.
↑ Caddo Parish (South Section)(PDF) (Map). Cartography by La DOTD Office of Multimodal Planning. Louisiana Department of Transportation and Development. February 2012. Retrieved October 16, 2013.
↑ Louisiana Department of Transportation and Development Office of Multimodal Planning (February 2012). Jefferson Parish (North Section)(PDF) (Map). Louisiana Department of Transportation and Development. Retrieved March 31, 2016.
↑ Ouachita Parish(PDF) (Map). Cartography by La DOTD Office of Multimodal Planning. Louisiana Department of Transportation and Development. February 2012. Retrieved September 29, 2013.
↑ Union Parish (West Section)(PDF) (Map). Cartography by La DOTD Office of Multimodal Planning. Louisiana Department of Transportation and Development. February 2012. Retrieved September 29, 2013.
↑ Union Parish (East Section)(PDF) (Map). Cartography by La DOTD Office of Multimodal Planning. Louisiana Department of Transportation and Development. February 2012. Retrieved September 29, 2013.
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US 167 – Winnfield, Alexandria 
LA 472 west – Williana 
US 165 – Alexandria, Monroe 
LA 502 
LA 1230 
US 84 – Jena, Tullos 
