Department of Transportation
ArDOT
Arkansas • United States of America
The Arkansas Department of Transportation (ArDOT) maintains over 16,400 miles of highways — one of the largest state highway systems in the US — serving as a critical link for the nation's trucking industry. Arkansas sits at the intersection of major north-south and east-west freight corridors including I-30, I-40, I-49, and I-55. ArDOT administers commercial vehicle permitting, bridge load ratings, and weight limits essential for freight operators. The department's iDriveArkansas system provides real-time road conditions and construction alerts for commercial drivers.
| Official Website | https://ardot.gov/ |
|---|---|
| Data API | https://www.idrivearkansas.com/ |
| Founded | 1913 |
| Headquarters | Little Rock |
Available Data
Social Media
- @IDriveArkansas — IDrive Arkansas
Arkansas Trucking Regulations
Size & weight limits, OS/OW permits, and seasonal restrictions for commercial vehicles
Weight Limits
| Category | Limit |
|---|---|
| Max Gross Vehicle Weight | 80000 lbs |
| Single Axle | 20000 lbs |
| Tandem Axle | 34000 lbs |
Dimensional Limits
| Category | Limit |
|---|---|
| Max Height | 13.6 ft |
| Max Width | 8.5 ft |
| Max Length (Single Unit) | 40 ft |
| Max Length (Combination) | 65 ft |
OS/OW Permits
Seasonal Restrictions Mar, Apr
Spring weight restrictions may be posted on secondary state and county roads, typically March through April. Primary highways and Interstates are generally not posted.
Weigh Station Bypass
29¢/gal
Member
Special Exemptions
Notable Rules
Arkansas is a key Mid-South freight state. I-40 traverses the state east-west connecting Memphis to Oklahoma City. Little Rock is the primary freight hub. The poultry and timber industries generate significant rural freight activity.
Sources
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