M1 at junction 20 with the A4303 | Northbound | Roadworks

On the M1 northbound at junction J20, expect delays of up to 10 mins at peak times due to roadworks , from 9 pm on 5 October 2015 to 6 am on 2 April 2016.

Archived from Traffic Reports at 6:51 am, September 28, 2015