Final answer:
Motorists are often required by law to reduce their speed significantly when passing stopped emergency vehicles or tow trucks with flashing lights. The exact speed to slow down to can vary by jurisdiction but typically ranges from 20 to 50 km/h. Compliance with these speed limits is crucial for the safety of emergency personnel and the motoring public.
Step-by-step explanation:
When motorists encounter emergency vehicles or tow trucks stopped with their lights flashing, it is essential to know the correct speed to which they must slow down. Different regions may have varying regulations, but it is common for the law to require motorists to reduce their speed significantly when passing such vehicles to ensure safety. The exact speed can vary by jurisdiction, but options can include 20 km/h, 30 km/h, 40 km/h, or 50 km/h.
It is the driver's responsibility to be aware of what the laws are in their specific area and to adhere to those rules. Usually, this information can be found in the local traffic regulations or highway code. Slowing down not only provides a safety buffer for emergency personnel working on the road but also minimizes the risk of secondary accidents. Failing to comply with these laws might result in fines or other penalties, as driving past at high speeds can be extremely dangerous for those involved in the traffic stop.