SPECS Speed Camera on M6 - Thirwell Viaduct, Warrington (40mph)

This SPECS speed camera is located on M6 - Thirwell Viaduct near Warrington in Lancashire, monitoring northbound traffic with a 40mph speed limit.

Allegedly SPECS cameras located on the Northbound and Southbound contra flow over the Thelwall Viaduct on M6 Motorway. Cameras are located on gantries over the motorway and have a red background. Set of three just after M6 Junction 4 southbound and before Corley Services.

Camera type

SPECS

Speed limit

40mph

Direction

Northbound

Road

M6 - Thirwell Viaduct

Nearest town

Warrington

Last updated

15 May 2026

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Location reference: NWL150

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Caught speeding at this location?

If you have been caught speeding at or near this location, the guides below explain what happens next, what your options are, and how the penalty system works in the UK.

Caught speeding - what happens next? The complete guide from NIP to fine, course, points and court Notice of Intended Prosecution (NIP) What the letter means, the 28-day deadline and what to do next Speeding fines guide Fixed penalties, Band A/B/C fines, court thresholds and what to expect Speed awareness course Eligibility, what to expect on the day and whether it affects your insurance Penalty points and driving bans How points work, how long they last and when a ban applies Speeding and car insurance When to declare points, how much premiums increase and for how long

SPECS average speed cameras

This location uses a SPECS average speed camera system.

It measures your average speed between cameras - so slowing down at one and speeding up after will not avoid detection.