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Pennsylvaniadriving inIllinois
Strict Enforcement — differential speed limits, heavy ELD/HOS checks

Illinois

Highway Speed
70 mph
Urban Speed
55 mph
Truck Parking
Limited
Inspection Level
High

Speed Limits

Truck speed limits in Illinois: Highway 70 mph, Rural 70 mph, Urban 55 mph. Same as passenger vehicles on most roads; lower limits in Chicago metro. Left lane: Trucks prohibited from left lane on interstates with 3+ lanes where posted.

Winter & Chain Laws

No mandatory chain law; chains permitted during winter weather Construction: Heavy construction season April-November; extensive Chicago-area interstate projects.

Restricted Routes

Chicago metro has extensive truck restrictions; Lake Shore Drive prohibits commercial vehicles; numerous low bridges in Chicago area; designated truck routes required in many suburbs

Hours of Service & ELD

Aggressive enforcement; ISP commercial vehicle units very active ELD: Full federal ELD mandate compliance required.

Inspections & Enforcement

High; Illinois State Police dedicated truck enforcement; frequent weigh station activity Drug testing: Federal DOT drug testing requirements apply.

Parking Availability

Limited in Chicago metro; adequate downstate along I-55, I-57, I-74

Official Source

For the most current trucking regulations in Illinois, visit the official enforcement page at https://idot.illinois.gov/travel-information/trucking-motor-carriers.html.

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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.