Louisiana Highway 42

Louisiana Highway 42
Route information
	Maintained by Louisiana DOTD
Length	47.8 mi[1] (76.9 km)
Existed	1955 renumbering–present
Major junctions
West end	LA 30 in Baton Rouge
	I-10 in Baton Rouge; US 61 in Prairieville
East end	LA 22 in Springfield
Location
Parishes	East Baton Rouge, Ascension, Livingston, Tangipahoa
Highway system

Louisiana Highway 42 (LA 42) is a state highway in Louisiana that serves East Baton Rouge, Ascension, Livingston, and Tangipahoa parishes. It spans 47.8 miles (76.9 km) in a general east–west direction.

Route description

From the west, LA 42 starts at an intersection with LA 30 in Baton Rouge near Louisiana State University. It is a four-lane divided highway for 7.6 miles (12.2 km) from LA 30 eastward to an intersection with Highland Road and Siegen Lane in southeastern Baton Rouge. This section is named Burbank Drive.[1]

From this intersection, LA 42 turns east and follows Highland Road to US 61 (Airline Highway). In this segment, it passes the Highland Road Park and Observatory and the Louisiana Country Club. Curving to the northeast, LA 42 widens to four lanes and passes through an interchange with I-10 (exit 166).[1]

LA 42 turns southeast and overlaps US 61 out of East Baton Rouge Parish and into Ascension Parish for 3.3 miles (5.3 km). At this point, LA 42 turns eastward and meanders its way across the Amite River and into Livingston Parish, intersecting LA 16 at Port Vincent. For the next 3.1 miles (5.0 km), LA 42 and LA 16 run concurrently into the north end of French Settlement. LA 42 proceeds eastward through rural Livingston Parish until reaching its terminus at LA 22 in the town of Springfield.[1] As of 2018, the portion west of US 61 is under agreement to be removed from the state highway system and transferred to local control.[2]

Future

Burbank Road Widening Project - Complete Baton Rouge Green Light Project
LA42 Widening Project - Ascension Parish Louisiana. Louisiana DOTD LA42 Project

Major intersections

Parish	Location	mi[1]	km	Destinations	Notes
East Baton Rouge	Baton Rouge	0.0	0.0	LA 30 (Nicholson Drive)	Western terminus
		4.8	7.7	LA 327 Spur south (Gardere Lane)
		5.7	9.2	LA 1248 (Bluebonnet Boulevard)
		7.6	12.2	LA 3246 north (Siegen Lane)	Southern terminus of LA 3246
		10.9	17.5	LA 427 north (Perkins Road)	West end of LA 427 concurrency
		11.0	17.7	I-10 – Baton Rouge, New Orleans
	Kleinpeter	11.3	18.2	LA 427 south (Perkins Road East)	East end of LA 427 concurrency
		12.6	20.3	US 61 north (Airline Highway) LA 948 (Highland Road)	West end of US 61 concurrency; western terminus of LA 948
Ascension		14.9	24.0	LA 427 (Perkins Road)
	Oak Grove	15.9	25.6	US 61 south (Airline Highway)	East end of US 61 concurrency
	Oak Grove	16.0	25.7	LA 73 (Jefferson Highway)
	Little Prairie	19.2	30.9	LA 44	Western terminus of LA 44
		22.8	36.7	LA 933	Eastern terminus of LA 933
		24.1	38.8	LA 431	Northern terminus of LA 431
Ascension–Livingston parish line	Port Vincent	24.2	38.9	Bridge over Amite River
Livingston	Port Vincent	24.4	39.3	LA 16 west – Denham Springs	West end of LA 16 concurrency
	French Settlement	27.5	44.3	LA 16 east – French Settlement	East end of LA 16 concurrency
	Frost	35.0	56.3	LA 63 north – Livingston
		41.9	67.4	LA 441 north – Holden	Southern terminus of LA 441
		46.8	75.3	LA 43 north – Albany	Southern terminus of LA 43
	Springfield	47.8	76.9	LA 22 – Ponchatoula LA 1037	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus

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References

Google (September 16, 2016). "Overview Map of LA 22" (Map). Google Maps. Google. Retrieved September 16, 2016.
(PDF) http://wwwsp.dotd.la.gov/Inside_LaDOTD/Divisions/Multimodal/Road_Transfer/District%2061/EastBatonRouge_2018_RS.pdf. Missing or empty |title= (help)

External links

Louisiana State Highway Log

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[GMaps-1] Google (September 16, 2016). "Overview Map of LA 22" (Map). Google Maps. Google. Retrieved September 16, 2016.

[2] (PDF) http://wwwsp.dotd.la.gov/Inside_LaDOTD/Divisions/Multimodal/Road_Transfer/District%2061/EastBatonRouge_2018_RS.pdf. Missing or empty |title= (help)