It can be a dangerous and, at times, a demoralising job.
Eight people died working on England's motorways and major A roads between 2009 and 2013, and a minority of drivers also spit at and throw things at roadworkers.
Now, the Highways Agency and emergency services in Cumbria have started a new campaign urging drivers to slow down and show some respect.
Katie Hunter reports:
More top news
2,000 people have signed a petition to stop a new Premier Inn being built in Keswick.
A council in west Cumbria has condemned fly-tippers who dumped nearly a ton of asbestos in a lay-by.
A replacement community minibus has been found as part of a scheme to help people get around in isolated areas of Cumbria.