Question to the Department for Transport:
To ask the Secretary of State for Transport, with reference to the Answer of 18 April 2016 to Question 33141, whether he has made an assessment of the effect of the removal of the tollbooths at the Dartford Crossing on air quality in Dartford.
The Dartcharge Post Opening Project Evaluation (POPE) report, which will include an assessment of air quality, will be completed in Spring 2017.