Drivers are being warned to brace themselves for 220 miles of roadworks on motorways around the UK with speed checks and emergency areas being introduced. Over the summer, National Highways will install more than 130 new emergency areas on smart motorways, leading to many roads being subjected to 50mph average speed checks. Although new smart motorway schemes have been scrapped, existing roads will continue to benefit from £900million in safety improvements. Motorists can expect to see most of the UK’s major motorways see roadworks stretching between 10 and 17 miles long. This will include the…