The City of Lincoln Council says a new one-way system around the annual Christmas market is necessary to deal with the huge crowds that attend.
Spokesperson John Latham says this year's event from the 6-9th December will be safer because of the change.
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Windy with outbreaks of showery rain, heavy at times across the region.
Warwickshire Police say Bethany Marie Hill, who was 20, was found with wounds to her neck at a house on Hertford Road on Wednesday evening.
The rain will clear quickly this evening with blustery, locally heavy, showers following, merging at times into longer spells of rain.