Speed Limit Reduced to 50mph at A1(M) Junctions 58 and 59 in December Sunday, November 9, 2025 a1m countydurham speedlimit bridgeinspection nationalhighways roadsafety trafficmanagement nightwork infrastructure transport Drivers travelling through County Durham will face a temporary reduction in the national speed limit to 50mph along a key stretch of the A1(M) from December 3. National Highways has announced the speed cut to facilitate … Read More