"Impatient drivers" refers to people who become easily frustrated or annoyed while driving and do not exhibit patience or tolerance on the road. Full definition
It's a good two minutes worth of hilarious whining from the obviously impatient driver. (topspeed.com)
Extra caution is needed as traffic congestion and impatient drivers increase the risk of accidents and traffic tickets. (floridaonlinetrafficschool.com)
As I am sitting here writing this contribution at 8:50 in the morning, I can already hear signs of the relentless fighting that has been going on for over ten days around Rachel's Tomb in Bethlehem: Soldiers shooting tear gas canisters, military jets are flying over the area, ambulances rushing to the scene and hundreds of impatient drivers waiting to cross the area honking without let - up. (blog.politics.ox.ac.uk)