Temperatures in Romford expected to hit lows of -2°C tonight and tomorrow, according to the Met Office.
The council says on its website that it operates on a gritting priority system where roads on the priority one routes are done first and, based on time and conditions, gritters can then move on to priority two routes.
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According to the council, it has more than 2,000 tonnes of salt ready to grit more than 380 miles of roads “which is enough for almost three weeks of continuous snowfall”.
“We operate seven days a week to make sure we keep Havering moving,” it adds.
Gritting is likely to happen when temperatures are at or below 1°C and moisture is present, creating the risk of ice.
So which roads are prioritised when ice hits Havering?
Among priority one routes in the north of Havering are roads such as Collier Row Road, Broxhill Road, Lower Bedfords Road, and Straight Road.
In central Havering, priority one roads include St Edward’s Way, Main Road, Upper Brentwood Road and London Road.
More priority one roads are in Upminster and Hornchurch such as St Mary’s Lane, Station Road, Hall Lane and Wingletye Lane.
In the south of Havering priority one roads include Rainham Road, New Road, Dennises Lane and Wennington Road.
The council’s website notes: “The prioritising takes into account bin collection routes and these are done the day before the collection starts.”
The A12, A127 and A13 are gritted by Transport for London.