An army of volunteers helped to push stranded motorists in Burgess Hill as Monday night's snowfall made the road impassable to all but four-wheel drive vehicles.
Trevor Butler told ITV News that cars and vans queued to mount Station Road past the town's rail station but with wheels spinning ferociously in the impacted snow, many found it slow going and queues built up.
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Sussex astronaut Tim Peake's space mission will be celebrated with a free exhibition at The Novium Museum in his home city of Chichester.
Emergency rescue teams are currently at the scene in East Sussex searching for another missing person.
Plenty of warm sunshine with the chance of thundery showers later.