Question Texting while driving a CMV is: Answers Acceptable if the text is work-related. Acceptable if there are fewer than 10 words in the text message. Encouraged because it is safer than talking on the phone. Prohibited. Explanation Texting while driving a commercial motor vehicle is both illegal and dangerous. Manually entering text into or reading text from any electronic device is considered texting. Take a FREE Practice Test Now This questions appears in the following tests: Colorado Knowledge Test Class A , District Of Columbia Knowledge Test Class B , South Dakota Double , Massachusetts Tank ,