Other work in Culver Lane and Church Road will start over the summer.
Adrian Betteridge, the council’s executive member for active travel, transport and highways, said adjustments were made to the scheme following public consultations.
“The evidence is quite clear of the benefits of 20mph speed limits in the presence of vulnerable road users,” he said.
“It certainly will make the route more attractive, easier and safer for vulnerable road users, and will encourage more people to walk, cycle and wheel instead of driving when doing this journey, and therefore reduce congestion for people who choose to drive through the route.”