Louisiana Highway 750 (LA 750) ran 3.7 miles (6.0 km) in a general east–west direction from US 190 east of Swords to a second junction with US 190 west of Lawtell.

[2] The route's mileposts increase from the northern end contrary to common practice.

Louisiana Highway 756 (LA 756) consisted of three road segments with a total length of 1.6 miles (2.6 km) that were located in the St. Landry Parish city of Eunice.

[11] The route's mileposts increase from the eastern end contrary to common practice.

Louisiana Highway 760 (LA 760) consists of two road segments with a total length of 2.04 miles (3.28 km) that are located in the adjacent St. Landry Parish towns of Grand Coteau and Sunset.

Louisiana Highway 766 (LA 766) ran 2.0 miles (3.2 km) in a southeast to northwest direction along Keachi Road from LA 172 in Keachi to a local road at the Caddo Parish line.

Louisiana Highway 768 (LA 768) ran 1.5 miles (2.4 km) in an east–west direction from a local road to a junction with US 165 south of Pollock.

Louisiana Highway 770 (LA 770) runs 1.89 miles (3.04 km) in a general north–south direction from the junction of two local roads to a junction with LA 127 south of Olla.

[21] The route's mileposts increase from the northern end contrary to common practice.

Louisiana Highway 772 (LA 772) runs 10.62 miles (17.09 km) in a general east–west direction from LA 8 west of Jena to the junction of two local roads east of Jena.

Much of the route, including its entirety within the Jena town limits, is concurrent with US 84.

After existing Jena, LA 772 proceeds northeast and follows Hatchery Road into an area known as Routon, where state maintenance ends at an intersection with Pritchard Road.

The route continues straight ahead as Routon Road under local control.

[26] The route's mileposts increase from the northern end contrary to common practice.

Louisiana Highway 776 (LA 776) runs 3.83 miles (6.16 km) in a north–south direction from the junction of two local roads to a junction with LA 127 east of Catahoula Lake.

[29] The route's mileposts increase from the northern end contrary to common practice.

Louisiana Highway 779 (LA 779) ran 1.1 miles (1.8 km) in a north–south direction from a dead end to a junction with US 165 east of Tullos.

Louisiana Highway 782 (LA 782) consists of one road segment with a total length of 1.54 miles (2.48 km) that is located in the Bossier Parish city of Bossier City.

Louisiana Highway 783 (LA 783) runs 16.76 miles (26.97 km) in a north–south direction from US 71 north of Coushatta, Red River Parish to US 371 south of Ringgold, Bienville Parish.

Louisiana Highway 788 (LA 788) runs 2.28 miles (3.67 km) in a northwest to southeast direction from LA 514 in Hall Summit to US 371 southeast of the village limits.

Louisiana Highway 791 (LA 791) ran 4.5 miles (7.2 km) in a northwest to southeast direction from the Webster Parish line to a junction with LA 7 north of Ringgold.

Louisiana Highway 798 (LA 798) consists of three road segments with a total length of 2.34 miles (3.77 km) that are located in the Bienville Parish town of Arcadia.