One lane blocked by rush-hour crash on M1 at Northampton
Drivers warned of 20-minute delays heading southbound to junction 15
A rush-hour crash is blocking a lane on the M1 southbound between two Northampton junctions on Monday morning.
Highways England reports traffic tailing back to junction 16 following the shunt between junction15A at Northampton services and junction 15 for the A45.
Lane one of three is blocked while emergency services deal with the incident and the agency is warning drivers face a 20-minute delay to get past.