Property-carrying driver limits
FMCSA’s official hours-of-service page explains the driving window, on-duty limits, required breaks, weekly limits, sleeper-berth options and the adverse-driving-conditions exception.
Cross-border drivers should know when U.S. rules begin to apply and keep supporting documents consistent with their record of duty status.
Official FMCSA hours-of-service summary →ELD records and exceptions
FMCSA maintains the official ELD rules, frequently asked questions, registered-device list and guidance for drivers and carriers. Confirm that the device and operating instructions meet the requirements for the trip.
Official FMCSA ELD information →Roadside and vehicle condition
Drivers should be ready to present required documents and respond to an inspection. Vehicle defects, cargo securement, driver qualification and hours-of-service records can all be reviewed.
FMCSA driver safety resources →Medical qualification and Clearinghouse
Commercial drivers may need current medical qualification documentation, depending on operation and licence status. The Drug and Alcohol Clearinghouse provides the official system and driver guidance for covered CDL and CLP holders.
Federal regulations search
For the controlling text, search the Electronic Code of Federal Regulations. Most federal motor-carrier safety rules are organized under Title 49.
Search current 49 CFR rules →