Since June 2020, Mill Road Bridge in Cambridge has been temporarily closed to all vehicles except buses, cycles and pedestrians. We put this measure in place, which acts like the bus gates in Cambridge city centre, under an Experimental Traffic Regulation Order (ETRO). It enables us to make changes to road layouts quickly and amend as needed in response to the Covid-19 pandemic.

We intend for the changes to this busy high street to help people social distance and encourage locals to travel actively by bike or on foot. The measures are funded by the Emergency Active Travel Fund, a Government grant to promote active travel during the current public health crisis.

Whilst the whole of Mill Road remains accessible to motorists, these trial measures mean they can no longer travel over the bridge. We enforce the bridge closure with Automatic Number Plate Recognition (ANPR) cameras. The registered owner of any private motor vehicle recorded using the bridge will receive a fine. We have installed over 20 signs along Mill Road and on nearby streets to warn drivers about the new road layout. We invest all money received from fines in frontline highway works such as fixing potholes or improving road safety.

You can find out more information about fines on our bus gate page.

Separate to the trial bridge road closure and like other local high streets, we have put white and red 'build outs' at locations along Mill Road to extend the footway and help people social distance when walking along the high street.

Consultation response

Last year, we held a consultation on the changes to Mill Road Bridge. There was a six month period for the public to get in touch and let us know their views about the changes. We also ran a six week survey between 9 November and 24 December asking for feedback.

The survey received over 3,500 responses with more feedback submitted by letter and email. The survey asked respondents whether they were in favour or against the bridge closure, what they would like to happen next and for their thoughts about the ‘build outs’.

A quality assurance review of the survey detected a large number of potential duplicate entries which raised concerns that there had been attempts to skew the feedback to several questions.

Following expert advice from the Consultation Institute it has been decided that whilst the general comments made via the survey can be analysed, it is not possible to robustly analyse the quantitative data gathered about the bridge closure due to the extent of the issue.

The extra work caused by these irregularities means that the project can no longer be reviewed at the Highways and Transport Committee in March 2021. The Mill Road Bridge project will now be reviewed by the committee in June 2021, following the May local government elections.

In the interests of transparency, all data from the consultation will be made publicly available with contextual information but the quantitative survey feedback will not used in decision-making on the future of the scheme.

View our press release - 'Decision on Mill Road changes in June'


If you would like to contact us about Mill Road Bridge, please email