This includes Raymers Lane, Littlehay Road, Mayfair Road, and Liddell Road.
In other locations across the LTNs, bus gates will apply with cameras.
This includes Cornwallis Road and Bartholomew Road.
Last month, cameras have been installed after angry motorists were seen driving on the pavement to get around roadblocks.
A spokesperson for the council said: A spokesman said: “We had always proposed lockable bollards on certain routes.
“The fire service has subsequently asked if we could change all bollards being installed within the carriageway to lockable bollards.
“As part of the ongoing consultation process, we are listening to the emergency services and will make amendments where it is deemed appropriate.”