SEQ: Helidon to Athol | Toowoomba Bypass | Various impacts to access

Source: Department of Transport and Main Roads - Heavy Vehicles Unit (28.02.25)

The Department of Transport and Main Roads (TMR) advises there will be numerous closures on the Toowoomba Bypass throughout the month of March 2025.

• Please refer to each of the scheduled closures in the table below 
• For detour maps please refer below the table. 

Warrego West Interchange at Charlton and Toowoomba Cecil Plains Road Interchange

Toowoomba Bypass lane closures will affect both southbound and northbound lanes on select dates starting from 3 March 2025 and finishing on 19 March 2025, due to necessary asphalt and retexturing works. 

The location of these works is between the Warrego West interchange at Charlton and the Toowoomba Cecil Plains Road Interchange. 

Restrictions during works 
The southbound and northbound lanes will be closed to all traffic from 9pm to 5am.

Reopening to traffic
The southbound and northbound lanes will reopen to all traffic from 5am onwards. 

Approved detour 
Warrego Highway, Troys Road, Toowoomba Cecil Plains Road, O’Mara Road, Warrego Highway. Please see map below.



TMR encourages heavy vehicle operators to plan travel around the impacted dates. 

Toowoomba Cecil Plains road Interchange to Gore Highway Interchange

Toowoomba Bypass Lane closures will affect both southbound and northbound lanes on select dates starting from 4 March and finish on 18 March 2025. The closure is required for asphalt and retexturing works. 

The location of these works is between the Toowoomba Cecil Plains Road interchange and Gore Highway interchange.

Restrictions during works 
The southbound and northbound lanes will be closed to all traffic from 9pm to 5am.

Reopening to traffic
The southbound and northbound lanes will reopen to all traffic from 5am onwards. 

Approved detour 
Gore Highway, Toowoomba Cecil Plains Road, Carrington Road, Taylor Street, Tor Street, Anzac Avenue, Toowoomba Athol Road, Gore Highway (map below). 



TMR encourages heavy vehicle operators to plan travel around the impacted dates. 

Mort Street Interchange and Warrego East Interchange at Helidon Spa

Toowoomba Bypass lane closures will affect both eastbound and westbound lanes starting from 21 March and finishing on 22 March 2025. The closure is required essential maintenance work.  

The location of these works is between Mort Street Interchange and Warrego East Interchange at Helidon Spa. 

Restrictions during works 
The southbound and northbound lanes will be closed to all traffic from 5pm to 6pm the following day.

Post work restrictions

• Eastbound vehicles over 5.0m wide must detour if they cannot clear a 1.2m high barrier.
• Heavy vehicles up to 5.5m wide that clear the barrier can use the Toowoomba Bypass. 

Specific heavy vehicle restrictions

• 5.1m - 6.2m wide (max height 5.4m): 
  • Travel not allowed between 5pm to 6pm the following day
  • No permit amendment required 
• 6.21m - 7.9m wide (max height 5.4m): 
  • Travel not allowed between 5pm to 6pm the following day
  • Submit Traffic Management Plan (TMP) for alternate route approval 
  • Email completed TMP to qldaccess_hvropo@tmr.qld.gov.au 
• Over 7.9m wide: 
  • Travel not allowed between 5pm to 6pm the following day
  • Submit permit application and completed TMP through the National Heavy Vehicle Regulator

Approved detour 

• Gore Highway, Toowoomba Cecil Plains Road, Carrington Road, Taylor Street, Tor Street, Anzac Avenue, Toowoomba Athol Road, Gore Highway (map below). 
• Suitable for up to B-Double and 30m PBS Class 2B vehicles. Road trains will need to break down at Charlton. 

The department encourages heavy vehicle operators to plan travel around the impacted dates. 

Check your route before you start your journey

We are continuously monitoring, assessing and reviewing our roads, bridges and culverts across Queensland. Conditions can change quickly, particularly due to weather. Restrictions are implemented to maintain ongoing safety for all road users.

It is your responsibility to make sure you're using up-to-date information when you assess the suitability of your route.

You must check the Conditions of Operation Database before you start your journey.

Visit the QLDTraffic website, download the app or call 13 19 40 to report an incident or get real-time traffic reports.

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