After exiting the village of Tangipahoa, the highway turns due west at a T-intersection with LA 1051 and crosses over without connecting to I-55.

LA 1050 was created in the 1955 Louisiana Highway renumbering,[4] and its route has remained the same to the present day.

[7] The route heads north from a T-intersection with LA 1050 located 0.4 miles (0.64 km) outside the village of Tangipahoa.

The highway continues to a junction with LA 1049, located at the intersection of 9th Street and Collis B. Temple Sr. Road.

LA 1051 was created in the 1955 Louisiana Highway renumbering,[4] and its route has remained the same to the present day.

Louisiana Highway 1052 (LA 1052) ran 0.2 miles (0.32 km), consisting of an access road from US 51 to the Camp Moore Condederate Museum and Cemetery north of Tangipahoa.

[8] The route headed east along Camp Moore Road from a point on US 51 located 0.1 miles (0.16 km) north of the village of Tangipahoa.

It immediately crossed the Illinois Central Railroad (now the Canadian National Railway) line at grade then turned north alongside it.

After passing the entrance to the Camp Moore Confederate Museum, the route terminated at a dead end next to the cemetery gates.

[3] This replaced Route 406, an older access road to Camp Moore from what is now LA 440 rather than US 51.

[9] LA 1052 was created in the 1955 Louisiana Highway renumbering,[4] and its route remained the same until it was returned to local control in 2000.

Louisiana Highway 1053 (LA 1053) runs 5.56 miles (8.95 km) in a southeast to northwest direction from US 51 in Kentwood to the Mississippi state line west of Osyka.

After exiting the town limits, LA 1053 curves to the north and proceeds 3.2 miles (5.1 km) to a point on the Mississippi state line at the boundary between Amite and Pike counties.

[3] LA 1053 was created in the 1955 Louisiana Highway renumbering,[4] and its route has remained the same to the present day.

The highway proceeds through the small community of Natalbany, where it intersects US 51 (North Morrison Boulevard) between Hammond and Tickfaw.

The route proceeds two miles (3.2 km) further to a T-intersection with LA 443 (Morris Road) just north of Hammond Northshore Regional Airport.

Upon its creation in the 1955 Louisiana Highway renumbering, LA 1064 also extended northeast concurrent with LA 443 then southeast along River Road, running parallel to the Tangipahoa River to a terminus at US 190 due east of Hammond.

[8] The route headed due east on Old Covington Highway from LA 3158 (South Airport Road).

After 2.5 miles (4.0 km), it curved north past the Louisiana State University Agricultural Experiment Station at Hammond to its terminus at US 190.

[25] The southern terminus was located at LA 73 (Jefferson Highway) between the two ramps of a half diamond interchange with I-12 (exit 1B).

[37] Though signed in the field, the concurrency with LA 1077 at its western end is not counted in the official route mileage, resulting in a slightly shorter figure of 5.14 miles (8.27 km).

It continues east along Bennett Bridge Road to its terminus at LA 25 south of Folsom.

Louisiana Highway 1079 (LA 1079) runs 1.40 miles (2.25 km) in a north–south direction along the east bank of the Tensas River from LA 888 at Westwood, Tensas Parish to a point near the Madison Parish line.

The route heads north and intersects LA 21 (Military Road) at Waldheim.

The route headed southeast on Monroe Street from North Causeway Boulevard.

Louisiana Highway 1089 (LA 1089) ran 1.5 miles (2.4 km) in a southwest to northeast direction through Fontainebleau State Park east of Mandeville.

Louisiana Highway 1090 (LA 1090) runs 4.52 miles (7.27 km) in a north–south direction from US 190 east of Slidell to the junction of I-59 and US 11 south of Pearl River.

Louisiana Highway 1091 (LA 1091) runs 5.15 miles (8.29 km) in a north–south direction from US 190 in Slidell to US 11 south of Pearl River.

The route continues north, traveling between I-59 and US 11 until reaching a T-intersection with the latter at the St. Joe Brick Works south of Pearl River.

Louisiana Highway 1093 (LA 1093) consists of two road segments with a total length of 1.32 miles (2.12 km) that are located in the St. Tammany Parish community of Lacombe.