A roadside inspection is an examination of individual or commercial motor vehicles and drivers to determine if they are in compliance with the Federal Motor Carrier Safety Regulations or Hazardous Materials Regulations. If a serious violation is detected, the driver is issued an out-of-service order. The violation must then be corrected before the driver of vehicle may return to service.
Trucks are taken out of service (OOS) when inspectors find serious violations that warrant the issuance of a driver or vehicle OOS order, such as hazardous mechanical condition, hazardous materials onboard, or lack of required operating authority.
There may be data inconsistencies across the 2004 to 2006 time series. The Bureau of Transportation Statistics (BTS) obtained the data at different times and was unable to verify the consistency of the entire data series prior to publication of the TSAR.
The timeline shows the number of roadside truck inspections in North America from 2004 to 2009. In 2008, trucks were inspected at the roadside in the U.S., Canada and Mexico.
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Bureau of Transportation Statistics, & RITA. (July 1, 2011). Number of roadside truck inspections in the U.S., Canada and Mexico from 2004 to 2009 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/197839/roadside-truck-inspections-in-north-america-since-2004/
Bureau of Transportation Statistics, und RITA. "Number of roadside truck inspections in the U.S., Canada and Mexico from 2004 to 2009." Chart. July 1, 2011. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/197839/roadside-truck-inspections-in-north-america-since-2004/
Bureau of Transportation Statistics, RITA. (2011). Number of roadside truck inspections in the U.S., Canada and Mexico from 2004 to 2009. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/197839/roadside-truck-inspections-in-north-america-since-2004/
Bureau of Transportation Statistics, and RITA. "Number of Roadside Truck Inspections in The U.S., Canada and Mexico from 2004 to 2009." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Jul 2011, /statistics/197839/roadside-truck-inspections-in-north-america-since-2004/
Bureau of Transportation Statistics & RITA, Number of roadside truck inspections in the U.S., Canada and Mexico from 2004 to 2009 ÌÇÐÄÆƽâ°æ, /statistics/197839/roadside-truck-inspections-in-north-america-since-2004/ (last visited July 30, 2026)
Number of roadside truck inspections in the U.S., Canada and Mexico from 2004 to 2009 [Graph], Bureau of Transportation Statistics, & RITA, July 1, 2011. [Online]. Available: /statistics/197839/roadside-truck-inspections-in-north-america-since-2004/
