Final answer:
Drivers on a 7-day cycle are prohibited from driving after accumulating 70 hours of on-duty time within 7 consecutive days to promote safety on the roads.
Step-by-step explanation:
According to the information provided, drivers on a 7-day cycle must not drive after 70 hours of on-duty time in 7 consecutive days. Drivers on a 7-day cycle must not drive after 70 hours of on-duty time in 7 consecutive days. This regulation ensures that drivers have enough rest and are not overworked, which could lead to safety issues both for the drivers and others on the road. It is part of the hours-of-service regulations that commercial vehicle drivers must follow.