OOIDA has also applauded legislative efforts such as Dalilah’s Law to ensure drivers who do not understand English cannot get behind the wheel. We strongly support USDOT’s proposed rule to strengthen long-standing English-language proficiency requirements for commercial drivers.” OOIDA’s stance on English proficiency isn’t about following the latest trend. “Experience has shown that a commercial motor vehicle driver’s ability to communicate effectively in English is critical from a safety perspective,” Johnston wrote. But by around 2014, the Commercial Vehicle Safety Alliance stopped issuing out-of-service orders for English-proficiency violators.