Drivers have been warned to expected delays following an accident on the M1.
One lane is closed and traffic is slow on M1 northbound between J29a, Markham and J30, A616 (Sheffield), because of an accident.
Congestion runs to J29, A617 (Chesterfield).
A lane was also blocked earlier on M1 northbound between J30, A616 (Sheffield) and J31, A57 (Sheffield), because of an accident.
Heavy traffic is also reported on M1 southbound between J25, A52 (Nottingham) and J24a, A50 (Derby).