December 2017 Update: There's a stretch of roadwork to the north end of the Great Ponton average speed cameras reducing to 50mph then 40mph. Had someone insisting the last two cameras are catching people not much over 40mph through this section. Beware
SPECS Speed Camera on A1, Great Ponton (near Grantham) (40mph)
This SPECS speed camera is located on A1 near Great Ponton (near Grantham) in Lincolnshire, monitoring both directions traffic with a 40mph speed limit.
New SPECS average speed cameras have been installed to both sides of the A1 at Great Ponton. These new average speed check cameras relace the old Gatso speed cameras that were located at this location on the A1.
Camera type
Speed limit
40mph
Direction
Both directions
Road
A1
Nearest town
Great Ponton (near Grantham)
Last updated
15 May 2026
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Location reference: EMLI010
⚠ Don't get caught at this location
Many drivers are caught at speed camera locations like this after misjudging the transition between speed limits or failing to notice the camera in time. A speed camera detector gives you advance warning before you reach known fixed and mobile camera locations.
About this speed camera location
Speed camera detectors - stay informed on every journey
A speed camera detector alerts you as you approach known fixed and mobile camera locations like this one - giving you time to check your speed before you reach the enforcement zone. Speed camera detectors are completely legal in the UK. All detectors are available from ActiveGPS.co.uk.
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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.
Read more about SPECS cameras and how average speed enforcement works.