Paul Watter, from the AA, told ITV News that bottlenecks on motorways can be incredibly dangerous, because they spill back on to the carriageway. He said that it was understandable for work to be carried out to reduce congestion, but it would come with difficulty for the local area.
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Not much cheer in the forecast this morning! It's a dull, damp and grey start!
There may be a few clear spells to start the night but towards the early hours of tomorrow morning things will turn wetter from the west.
Snowdonia is one of five locations battling it out to be crowned the best place in Wales in this year's Special Places competition.