Boundary Street interchange

A grade separated interchange will be constructed at the northern end of Boundary Street, Cranley.


Building the Boundary Street interchange

Works involve constructing:

  • an on-ramp, enabling eastbound motorists to access the Toowoomba Second Range Crossing
  • an off-ramp, enabling motorists travelling west on the Toowoomba Second Range Crossing to exit onto Boundary Street
  • a two-lane bridge, taking Boundary Street over the Toowoomba Second Range Crossing.

An approximately 600m long section of Boundary Street will be realigned to improve conditions for road users. Once constructed, traffic will be switched onto the new road and the section of existing road will be removed.

The Boundary Street interchange does not include access for eastbound motorists exiting the road bypass, or westbound motorists entering the road bypass. These movements can be made via interchanges at the Warrego Highway at Charlton and Mort Street at Cranley.

A temporary road will be built to the east of the realignment works, to maintain traffic access along Boundary Street during the road and bridge construction.

Traffic is expected to be permanently diverted onto the new section of Boundary Street in 2017, enabling construction to commence on the Toowoomba Second Range Crossing and the ramps.

Boundary Street Connection Road

Toowoomba Regional Council (TRC) is upgrading Boundary Street to connect with the realigned section of Boundary Street and improve access and conditions for heavy vehicles.

These works are planned to be completed in conjunction with the completion of the Toowoomba Second Range Crossing in 2018. Please refer to the TRC website for more information about the Boundary Street Connection Road.

Download the Boundary Street factsheet

Construction updates

The Boundary Street bridge is now open.

Works to form the Boundary Street interchange on- and off-ramps will continue until early 2018.

Information on traffic impacts in the Cranley area is available on our traffic page.