Long queues into Norwich as Thickthorn traffic lights problem continues

A11 northbound traffic queue up to the Thickthorn roundabout as the traffic lights let only a few ca

A11 northbound traffic queue up to the Thickthorn roundabout as the traffic lights let only a few cars through at a time. Picture: DENISE BRADLEY - Credit: Copyright: Archant 2016

Drivers should expect more delays on the A47 near Norwich this morning after it appeared traffic lights at a busy roundabout are still not working properly.

The traffic lights on the approach to Thickthorn have still not been fixed this morning, with reports of cars queuing back to Wymondham.

After reports that the lights on the approach to Thickthorn roundabout emerged yesterday, Highways England later said the problem had been fixed.

But this newspaper has been told by commuters travelling to work this morning, that the lights are still not working fully and traffic is slow.

Problems with the traffic lights letting only a small number of cars through - causing long tailbacks - had been ongoing through the summer.


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Highways England visited the site in August, and insisted the problem had been fixed.

After assessing the site, engineers found that resurfacing on the road network around the area may have impacted on the phasing of the traffic lights on the roundabout.

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But today motorists found the same problem occurring at the traffic lights.

Matt Atherton tweeted: 'why are the Thickthorn lights Nch bound on the A11 only letting 3-4 cars through? Ridiculous!! Massive queues!'

A Highways England spokesman said yesterday: 'There was a connection fault with one of the traffic flow detectors this morning which caused the data not to feed into the system properly. We sent an engineer and the fault has been fixed.

'We will keep a close eye on it over the next few days to ensure everything is functioning as it should.'

This newspaper has contacted Highways England for an update.

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