Commuters who braved driving to work on Wednesday morning faced treacherous conditions getting home in the evening.

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Slippery conditions on various roads around Norwich, including Ketts Hill, proved an obstacle for many vehicles.

Heavy traffic due to snow was also reported on the A47 between A11 Newmarket Road / A11 / B1172 Norwich Road / Newmarket Road (Thickthorn Roundabout) and A146 (Trowse Newton).

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The bad news for motorists is that driving conditions are only expected to get worse over the next few days as standing water freezes.

Police warned drivers to watch out for black ice as temperatures are expected to drop further.

Officers urged drivers of HGVs to stick to the left hand lanes on dual carriageways due to the weather conditions.

Police again reiterated that motorists should 'drive to the conditions and only travel if your journey is absolutely necessary'.

Officers have this advice to make sure your vehicle is prepared ahead of your journey:

• Always ensure all windows are fully cleared of snow, frost and condensation before setting off on a journey - it is illegal to drive with obscured vision.

• Ensure that dirt, salt and snow is cleared away from light fixtures.

• Also clear snow from the top of the car as this can fall down and obscure your windscreen while you are driving.

• Keep windscreen washer fluid topped up as windscreens quickly become dirty from traffic spray and salt from the roads.

• If you get stuck in the snow stay with your car, but in an emergency if you do need to leave it, park it out of the main traffic route, where it won't cause an obstruction when conditions ease. Leave a contact number on the inside of the windscreen and return to your car at the first opportunity you have.

• Allow extra time for your journeys.

• Reduce speed gradually – sharp braking in freezing conditions can result in a skid.

• Increase distance between you and the vehicle in front.

• Make sure you have sufficient fuel.

• Make sure you have plenty of layers and blankets.

• Take a fully charged mobile phone with you.

• Take provisions with you for long periods of time in your car.

Superintendent Chris Harvey said; 'Please follow our Twitter account at @norfolkpolice and our Facebook page at Norfolk Constabulary for updates of any road traffic collisions and areas to avoid.

'My final appeal is for you to look after each other. If you have elderly or vulnerable relatives or neighbours, make sure they are ok and have everything they need.'

Members of the public are asked to report any non-urgent matters online at www.norfolk.police.uk. In an emergency, always dial call 999.