The world is full of bad drivers. Admittedly, they're not all on the M4 but sometimes when you're driving along the motorway it feels like you're surrounded by inpatient motorists who just don't care for the rules of the road.
Of course, driving along the motorway can be one of the most stressful parts of a journey - but the M4 is full of slip roads, changing speed limits and unexpected speed cameras to keep you on your toes. Here are the things you only know if you have to drive along the M4 all the time:
Thought of something we've missed? Let us know what you notice when you drive along the M4 in the comments.
