Keeping Alberta safely on the move The Sheriff Highway Patrol is stepping up inspections for Roadcheck 2021, a three-day campaign focusing on commercial vehicle safety. Some parts of this page will not display. JavaScript is not available in this browser or may be turned off. From May 4-6, officers from the Sheriff Highway Patrol will conduct hundreds of additional inspections throughout the province to ensure commercial vehicle drivers operate safely on the roads. Roadcheck is an annual North America-wide operation conducted by agencies that belong to the Commercial Vehicle Safety Alliance in Canada, the United States and Mexico. Officers from participating organizations share information with commercial vehicle drivers, check vehicles and drivers for compliance with federal and provincial regulations, and collect inspection data for statistical analysis.