Traffic & diversions

We will be carrying out overnight works on the A141 March Road, A47 Fen Road and A47 South Brink between Tuesday 31 August and Friday 17 September.  Traffic will be controlled with 3-way traffic lights between the hours of 20:00hrs and 06:00hrs each night.  The roads will remain open at all times however there could be delays. 

For the safety of the public and our workers, we will need some road closures when we start our work and then in autumn 2021 for resurfacing. Traffic will need to use the diversion routes that are provided on this page.

Some of the diversions may be long, but we will aim to only close one arm of the roundabout at a time and limit road closures to night times between 8:00pm to 6.00am. We will provide more details closer to the time. We will give advanced notice of these road closures on the project website, via social media and early warning road signage. We will share regular progress updates with stakeholders, local councils and residents.

Please check for possible road closures and plan your route ahead of your journey.

Temporary traffic lights

Three-way traffic lights will be in place on all approaches to the Guyhirn roundabout from Sunday 8th August – Friday 13th August, 8.00pm – 6.00am.

Lane Closures

To carry out our work safely, we’ll need some overnight lane closures (8.00pm – 6.00am) between 12 April to 30 April 2021 inclusive. Traffic will still be able to use the junction and there will be temporary traffic lights and road markings.

During these dates we will be temporarily removing the existing ‘keep left’ bollard and the island kerb at the exit of Gull Road/A47. Removing these will allow traffic to turn right when the roundabout is closed for our work. Changing the turning out of Gull Road will help reduce congestion during the roadworks. In addition, we’ll put in safety barriers so that we can start removing the existing roundabout.

Overnight road closures

A47 Guyhirn Junction July and August road closures:

  • A47 South Brink from/to existing Guyhirn roundabout: Wednesday 28th July 8:00pm to Thursday 29th July 6:00am and Thursday 29th July 8:00pm to Friday 30th July 6:00am 2021

    Map of road closure
  • A141 March Road from/to existing Guyhirn roundabout: Monday 2nd August 8:00pm to Tuesday 3rd August 6:00am 2021

    Map of road closure

The A47/Fen Road from/to the existing Guyhirn roundabout will remain open. A signposted diversion route will also be in place.

Three-way traffic lights will be in place on all approaches to the Guyhirn roundabout from Sunday 8th August – Friday 13th August, 8.00pm – 6.00am.

We will advertise the closure dates on signs at the roadside two weeks ahead of the closures to give drivers advanced notice.

Meet the team:

Monday 16th August from 7:00pm – 8:00pm. This event will be a Microsoft Teams meeting where our team will provide an update on the work and be available to answer questions. If you'd like to attend, please e-mail: [email protected] to register.



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