A BURST water main in Derby city centre caused traffic chaos on Tuesday.
London Road has now reopened at the Litchurch Lane junction.The incident happened on London Road bridge at around 4am on Tuesday and resulted in water gushing into the street.
The bridge remained closed on Tuesday night while emergency repairs continued.
No Severn Trent Water customers were left without a water supply while the problem was being fixed.
A spokeswoman for Severn Trent said: "We would like to apologise to customers and motorists who may have been affected.
"Just after 4am, we received a call reporting the burst pipe and went out to investigate soon after.
"We then worked with the local authority to organise the necessary road closure, so that repair to the damaged pipe could begin.
"The temporary traffic lights will remain in place while we complete this repair and return the road back to a safe condition.
"Our customers' water supply in the area has not been affected by the burst pipe or the repair to fix this."
11am: Most major traffic incidents have now cleared but there are still delays due to diversions for the London Road bridge repairs. 09.16am: There is slow traffic on A50 in both directions in Sudbury at Sudbury Roundabout, because of an accident earlier on. Congestion on eastbound on A50 to Racecourse roundabout and on westbound on A50 to J6, A511. One lane is closed and traffic is slow on the A52 Brian Clough Way westbound in Borrowash between the Cole Lane junction and the A5111 Raynesway junction, because of a broken down car. Congestion to Nottingham. Slow traffic on the A38 eastbound in Alfreton between the B600 junction and Alfreton.