Louisiana State Route 7 had multiple suffixed routes, designating bypassed alignments of the highway. They are listed below in order from west to east.
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Elton (LA 7-D)
Louisiana State Route 7-D (LA 7-D) spanned 1.90 miles (3.06 km) from west to east and was known as Yoakum Street and Kennedy Road. It served as the older alignment of LA 7 through Elton.
Junction list
The entire highway is in Elton, Jefferson Davis Parish.
Lawtell (LA 7-E)
Louisiana State Route 7-E (LA 7-E) spanned 3.90 miles (6.28 km) from west to east and was known as Summer Road. It served as the older alignment of LA 7 near Lawtell.
Junction list
The entire highway is in Lawtell, Saint Landry Parish.
Opelousas (LA 7-H)
Louisiana State Route 7-H (LA 7-H) spanned 2.10 miles (3.38 km) from west to east. It served as the older alignment of LA 7 near Opelousas.
Junction list
The entire highway is in Opelousas, Saint Landry Parish.
Krotz Springs (LA 7-D)
Louisiana State Route 7-D (LA 7-D) spanned 1.20 miles (1.93 km) from west to east. It served as the older alignment of LA 7 east of Krotz Springs, being bypassed by a newer alignment through the Morganza Spillway. It last appeared on maps in 1944.
Junction list
The entire highway is in East Krotz Springs, Pointe Coupee Parish.
Baton Rouge (LA 7-D)
Louisiana State Route 7-D (LA 7-D) spanned 7.40 miles (11.91 km) from west to east and was known as Old Hammond Highway. It served as the older alignment of LA 7 through Baton Rouge, being bypassed by the newer Florida Boulevard project. The road is still known as Old Hammond Highway to this day.
Junction list
The entire highway is in Baton Rouge, East Baton Rouge Parish.
Denham Springs (LA 7-E)
Louisiana State Route 7-E (LA 7-E) spanned 1.70 miles (2.74 km) from west to east through the town of Denham Springs. It served as the older alignment of LA 7.
Junction list
The entire highway is in Denham Springs, Livingston Parish.
Walker (LA 7-F)
Louisiana State Route 7-F (LA 7-F) spanned 3.50 miles (5.63 km) from west to east through the town of Walker. It served as the older alignment of LA 7.
Junction list
The entire highway is in Walker, Livingston Parish.
Albany to Hammond (LA 7-D)
Louisiana State Route 7-E (LA 7-E) spanned 6.10 miles (9.82 km) from west to east to connect LA 7 with the city of Hammond. It served as the older alignment of LA 7 for the most part, with LA 366 picking up another old segment.
Hammond to Robert (LA 7-E)
Louisiana State Route 7-E (LA 7-E) spanned 4.80 miles (7.72 km) from west to east from the town of Hammond to the community of Robert. It served as the older alignment of LA 7.
Junction list
The entire highway is in Tangipahoa Parish.