J29a for Markham Lane Markham Vale
J30 for A616
M1 Derbyshire - One lane blocked and very slow traffic on M1 northbound between J29a, Markham (Markham Vale) and J30, A616 (Worksop), because of a broken down lorry and recovery work. In the roadworks area. Travel time is around 95 minutes. Congestion to J28, A38 (Alfreton).