Louisiana Highway 378

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Louisiana Highway 378 marker

Louisiana Highway 378
Route information
Maintained by Louisiana DOTD
Length: 8.0 mi[1] (12.9 km)
Major junctions
South end: I‑10 / US 90 in Westlake
North end: US 171 in Moss Bluff
Parishes: Calcasieu
Highway system
  • Louisiana Highway System
LA 377 LA 379

Louisiana Highway 378 (LA 378) is an 8.0-mile-long (12.9 km) state highway in Calcasieu Parish, Louisiana. It runs through Moss Bluff, an unincorporated area north of Lake Charles, and Westlake, a small incorporated suburb of Lake Charles.

Route description[edit]

LA 378 begins at an I-10/US 90 service road near I-10's Exit 27 in Westlake. It travels north passing through a mix of commercial businesses and residential homes. At Phillips Road, LA 378 turns east for one block before turning north again at Davis Road. After crossing the West Fork Calcasieu River, LA 378 begins to curve to due east. It intersects LA 378 Spur which provides access to Sam Houston Jones State Park. At this point, LA 378 is signed east and west (it was signed north and south before here) and is known as Sam Houston Jones Parkway. As the highway travels east, it passes through a mix of businesses, schools, and churches until it ends at U.S. Route 171 in Moss Bluff.

LA 378 is undivided and four lanes wide with a center turning lane except between John Stine Road and LA 378 Spur where it is only two lanes wide.

Major intersections[edit]

The entire highway is in Calcasieu Parish.

Location mi[1] km Destinations Notes
Westlake 0.0–
I‑10 / US 90 / Isle of Capri Boulevard – Lake Charles, Beaumont, TX Exit 27 (I-10)
0.4 0.6 LA 379 (Sulphur Avenue)
  5.1 8.2
LA 378 Spur – Sam Houston Jones State Park
Eastern terminus of LA 378 Spur
Moss Bluff 8.0 12.9 US 171 – Lake Charles, DeRidder
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 378 Spur[edit]

Louisiana Highway 378
Location: Sam Houston Jones State Park
Length: 0.95 mi[2] (1.53 km)

Louisiana Highway 378 Spur (LA 378 Spur) is a short 0.9-mile (1.4 km) spur of LA 378 that connects Sutherland Road in Sam Houston Jones State Park with LA 378. The entire length of LA 378 Spur is also known as the Sam Houston Jones Parkway.[1]


  1. ^ a b c Google (November 20, 2012). "Louisiana Highway 378" (Map). Google Maps. Google. Retrieved November 20, 2012. 
  2. ^ Google (February 8, 2015). "Louisiana Highway 378 Spur" (Map). Google Maps. Google. Retrieved February 8, 2015. 

External links[edit]

Route map: Bing / Google