Vehicle size and weight limitations — Items excluded from overall width

Commercial driver's license (CDL) requirements aren't determined by gross vehicle weight rating (GVWR) alone. This article explains how gross combination weight rating (GCWR) can influence CDL requirements for vehicles...

Cargo partitions play an important role in protecting vehicle occupants, but what performance standards apply? This article examines regulatory guidance related to cargo partitions, reviews comparable industry...

Equipment installations can unintentionally interfere with required vehicle lighting, creating potential compliance and safety concerns. This article explains how Federal and Canadian lighting standards apply when body...