Unite Union say that they are confident and close to reaching an agreement with Severn River Crossings.
After the talks this week, Unite have suspended industrial action that was due to be held on the 21st August.
Talks will continue Monday and the union are confident of reaching an agreement over new work patterns.
A spokesperson for the union says Severn River Crossings have withdrawn the proposed new shift patterns and Unite are confident they'll accept a proposal broadly based in line with their ideas.
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A chilly start to the day is expected but prolonged spells of sunshine will allow the temperatures to respond, highs of between 14 - 17 °C