Pleas to improve dangerous A1 continue as National Highways bosses have been accused of ‘burying their heads in the sand’. The A1 between Newark and Stamford is regularly blocked by crashes as well as broken down vehicles, obstructions on the road and slow moving traffic. Last week alone two big crashes have brought the A1 to a standstill, including one lorry smash which shut the road for 21 hours and another two days later which shut the road for nearly six hours. While roads are usually maintained and upgraded by local councils, the A1 is the responsibility of the Government’s National Highw…