A spring clean of litter hotspots on England's motorways saw more than 3,000 sacks of rubbish collected, Highways England has revealed.
The three-day crackdown on clutter coincided with the national Clean for the Queen initiative, which was held to help preparations for the Queen's 90th birthday.
Workers were in operation between March 4 and 6 and managed to collect 3,188 sacks of rubbish.
Highways England figures show that more than 150,000 bags of litter are filled every year at a cost of around £40 a sack, roughly the same amount it costs to fix a pothole.
Calls are now being for motorists to help keep the country's roads free from litter, which can create hazards for other drivers, as well as for wildlife.
Highways England director Robert Castleman said: "The litter on our roads can cause a hazard to drivers, our workers and wildlife so I'd urge everyone to keep a bag in their car which they can use for rubbish, and then put it in the bin when they get home."
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