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 closing two lanes, between 8 pm and 6 am, from 22 June 2015 to 25 June 2015.

Archived from Traffic Reports at 11:04 am, June 22, 2015