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Tennesseedriving inSouth Carolina
Truck Friendly — high speed limits, no chain laws, good parking

South Carolina

Highway Speed
70 mph
Urban Speed
65 mph
Truck Parking
Good
Inspection Level
Moderate

Speed Limits

Truck speed limits in South Carolina: Highway 70 mph, Rural 70 mph, Urban 65 mph. Same as passenger vehicles. Left lane: No specific truck left-lane restriction statewide.

Winter & Chain Laws

No chain law; not applicable Construction: Year-round construction; I-95 and I-26 projects common.

Restricted Routes

Standard oversize/overweight permits; Charleston area has some port-related truck routes

Hours of Service & ELD

Standard federal HOS enforcement; SCHP Transport Police active ELD: Full federal ELD mandate compliance required.

Inspections & Enforcement

Moderate; SCHP Transport Police conduct regular inspections on I-95, I-85, and I-26 Drug testing: Federal DOT drug testing requirements apply.

Parking Availability

Adequate; good truck stop coverage along I-95 and I-85

Official Source

For the most current trucking regulations in South Carolina, visit the official enforcement page at https://scdps.sc.gov/schp/btp.

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Related guides

South Carolina DOT / Enforcement: https://scdps.sc.gov/schp/btp
Law last updated: 2025-01Row last reviewed: Apr 17, 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.