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South Dakotadriving inLouisiana
Average — standard speed limits and enforcement

Louisiana

Highway Speed
75 mph
Urban Speed
65 mph
Truck Parking
Limited
Inspection Level
Moderate

Speed Limits

Truck speed limits in Louisiana: Highway 75 mph, Rural 75 mph, Urban 65 mph. Same as passenger vehicles on most routes. Left lane: Updated August 2025: prohibits traveling in left lane while going slower than posted speed or impeding traffic.

Winter & Chain Laws

No chain law; not applicable due to climate Construction: Year-round construction; hurricane season (June-November) can disrupt routes.

Restricted Routes

Bridge weight restrictions on older bridges; Atchafalaya Basin Bridge has specific regulations; standard oversize/overweight permits

Hours of Service & ELD

Standard federal HOS enforcement; Louisiana State Police CMV units ELD: Full federal ELD mandate compliance required.

Inspections & Enforcement

Moderate; LSP conducts roadside inspections on I-10, I-20, and I-49 Drug testing: Federal DOT drug testing requirements apply.

Parking Availability

Adequate along major interstates; limited in Baton Rouge and New Orleans metro areas

Official Source

For the most current trucking regulations in Louisiana, visit the official enforcement page at https://www.dotd.la.gov/Inside_LaDOTD/Divisions/Multimodal/Freight/Pages/default.aspx.

Law last updated: 2025-08Row last reviewed: May 8, 2026

Trucking regulations change frequently. Always verify current rules with the official state DOT or highway patrol before operating. This guide is for informational purposes only. Data reflects regulations as of early 2026.