M1 northbound within J1 | Northbound | Road Works April 24, 2024 - 9:16 pm Last updated May 1, 2024 - 9:02 pm Location : The M1 northbound at junction J1 . Reason : Roadworks. Status : Currently Active. Period : expect disruption until 05:00 on 2 May 2024. Lanes Closed : All lanes are closed.