A slow puncture felt on the A1(M) between Hatfield and Stevenage is usually repairable. Leave at the next junction, park in town, and the tyre is repaired to BS AU 159.
Between the Galleria and Letchworth, every junction feeds a busy town, and building sites and business parks along the way mean screws and nails end up on the slip roads. A tyre that picked one up in Hatfield or Welwyn often gives it away only once motorway speeds squeeze the air out, with the pressure light coming on towards J7 or J8. That is the moment to take the exit, not press on to Baldock.
With the car parked, we pull the tyre from the rim and look at its inner face, since even a few miles run soft can tear the lining. A hole of no more than 6 mm, sitting within the middle 75 per cent of the tread width, is sealed from within by a combined patch-plug meeting BS AU 159. Damage close to the shoulder or on the sidewall rules a repair out, and a replacement is quoted by phone.
Other services from the same Brent Cross team: 24 hour tyre service on the A1(M) and burst tyre replacement.
Hatfield town centre or the Galleria car park via J3, where the operator allows it, Welwyn Garden City car parks, Knebworth village off J7, or Stevenage station at J8 are all suitable. Never inside the Hatfield Tunnel or on the motorway edge.
| Road | A1(M) Hertfordshire section |
|---|---|
| Operator | National Highways |
How a mobile puncture repair is done →Puncture repair on the A1(M) page
Slow punctures picked up on the A1(M) tend to show up in a car park. Colney Fields Shopping Park near London Colney and Monkswood Retail Park in Stevenage are typical places to find a tyre that has sagged since the morning. If the hole is in the repairable central zone and the tyre meets BS AU 159, the repair is done in the bay.
While the fitter heads up from NW2, park off the A1(M) and leave the tyre alone. Aerosol sealant is tempting, but it smears through the inside and can rule out a BS AU 159 repair altogether. Find the object in the tread and check whether it sits close to the outer edge, beyond the repairable zone. Locate the locking key, then wait at a sensible spot, such as Welham Green village reached from J3, rather than beside the slip road.
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Nail in the tread on the A1(M)? Park in Hatfield, Welwyn or Stevenage and we repair it.
