Why MUST you not park against the traffic flow at night?

Your view of the traffic will be restricted - and at night it's even harder to see other road users. For that reason The Highway Code advises you to not do it in daytime either.

[@smilerbob]

Nicely dealt with as many drivers rely upon the reflection of car headlights on the road and will often miss cycle lights

[@QiuEnnan]

My driving instructor kept telling me to rely on headlights in situations like this or driving on country roads at night which I simply ignored as obviously cyclists, pedestrians and horse riders don't have them!

[@WayneTulip-zm9gw]

Because at night, oncoming traffic would not be able to see your car - the rear reflectors on the back of your vehicle would be hidden, it could mean that there's a risk of an accident happening.

[@QiuEnnan]

exactly - and also you can’t necessarily see oncoming traffic as easily at night

[@WayneTulip-zm9gw]

Motors parked the correct way would be visible and illuminated by headlights bouncing off the rear reflectors.