Roadworks on Warwick Road in Carlisle are running behind schedule by 'several weeks.'
The work, carried out by United Utilities, should have been completed by the end of June, but the company says a section of pipe lining is not fitting correctly and is causing setbacks.
Warwick Road is a vital road leading cars in and out of the city from the motorway.
The work is part of a £14 million scheme to replace 32km of water mains throughout Carlisle.
The pipe lines, which supply Carlisle with drinking water, have not been replaced in almost 100 years.
Council members are concerned that the traffic and delays will push drivers into smaller streets which will disrupt residents and potentially cause accidents and impact local businesses.
With the hot weather upon us, heres hoping motorists wont have to stay sitting in traffic for too long.