Plans for a new car park to be built at University Hospital could see a nearby estate over-run with hundreds of extra cars.
A new 1,600 space staff car park is being proposed at the rear of the hospital, with a time-controlled exit onto Farber Road between 4pm and 8.30pm.
But residents say the proposed exit plan is “unacceptable” as it will be diverting hundreds of vehicles a day outside their homes.
Edna Lucas, committee member for Walsgrave Community Forum, said: “This estate was built in the 60s and designed with the safety from the traffic in mind.
“It has always been a very safe area to live but if we are going to have these 600 odd cars coming through from 4pm until 8.30pm every to impact the road.
“It is going to be totally unacceptable.
“We cannot get out of the estate on a good day, that is without the addition of another 600 cars.”
The hospital is in need of additional parking to ease pressure on the current parking facility, which will in turn free up spaces for visitors to park.
The plan was initially submitted to the council last year and was put on a draft planning committee agenda as recently as January, before being taken off.
Under the original proposals, Farber Road will be used as an exit only.
A design and access statement said an ANPR camera will also record any staff vehicles using Farber Road as a cut through.
An exit through Farber Road will be a temporary solution until the A46 link road is completed.
John Davies, another member of Walsgrave Community Forum, added: “The A46 is the solution to everything but that is in the future.
“This is now and we understand the need but we do not think this is the solution.
“What we are frightened of it they will say they cannot use this for 1,600 cars but they want to use it as an entrance.
“We have got evidence already with the school runs that the estate gets gridlocked with the traffic very quickly. It is one road in and one road out.”
The proposed new car parking provision is split into two parts: Car Park A with 565 spaces, and Car Park B with 1,035 spaces.
A spokesman for Coventry City Council said they are continuing to negotiate the scheme and “are discussing a number of important issues”.
No new date has been set yet, they added.
A spokesman for the hospital said: “Those discussions are still ongoing.
“Once a date has been set we will let people know.”