Bollards will stop rogue traffic hurtling down pedestrianised gate streets when they are installed shortly.
The automatic bollards will be planted into the ground on Northgate, Eastgate, Southgate and Westgate Street.
It will pave the way for a more pedestrian friendly city centre as it will put pay to delivery drivers who flout traffic regulations which already ban traffic between the hours of 10am and 5pm.
Bar owner John Huggins, from The Westgate, will have bollards installed outside his business. He said: “You get a lot of vehicles coming up here. They race up here and it is a a death trap sometimes.
“There is good cause for putting in the bollards because you get lorries making deliveries to businesses when they shouldn’t be.”
The first of the £100,000 bollards will be installed on April 7 and the work will take around four weeks.
When the bollards are not in operation, the roads will be open for delivery access and emergency vehicles only.
Councillor Vernon Smith, cabinet member for highways, said: “As people will know we’ve tried a variety of safety schemes in Gloucester city centre. We’ve been working to find the best possible solution to people’s safety concerns.
“By introducing bollards, pedestrians will be able to use the whole width of the streets more safely.”
Councillor Pam Tracey (C, Hempsted and Westgate) said: “I’m happy for these changes to happen on the gates streets for the safety of pedestrians and traders.”
The scheme is being jointly funded by Gloucester City Council and Gloucestershire Highways.
Cyclists are also not allowed during the peak shopping hours of 10am and 5pm.
Semi-automatic bollards will also be installed between Clarence Street and Bruton Way to support the night time closure of Eastgate Street.
This closure operates between 10.30pm to 5am on a Friday and Saturday night.
It follows a six-month trial closure of Eastgate Street, which has been broadly welcomed by night time traders.
John Taylor, from taxi firm Andy Cars, said: “I think it has been a great success. People are telling me that when they are on a night out they are having a better time and they feel more relaxed. It is better than what it was before.
“As a taxi driver you really had to be on your game before. If it was bad weather you had to be really careful in case someone stepped out in front of your car.”
Neil Joyner, from The Registry nightclub, said: “People are more comfortable hanging around Eastgate Street with the closure in place.”