The following state-controlled roads intersect with section 18A: • Riverview–Moggill Ferry Road • River Road (Queensland) • Mount Crosby Road • Ipswich–Warrego Highway Connection Road •
Brisbane Valley Highway • Haigslea–Amberley Road • Rosewood–Marburg Road • Laidley–Plainland Road •
Forest Hill–Fernvale Road •
Gatton–Esk Road •
Gatton–Helidon Road •
Toowoomba Second Range Crossing • Murphys Creek Road •
New England Highway Details of above roads not described in another article are shown below.
Riverview–Moggill Ferry Road Riverview–Moggill Ferry Road (Riverview Road) is a state-controlled district road (number 916).
River Road (Queensland) River Road (Queensland) is a state-controlled district road (number 309).
Mount Crosby Road Mount Crosby Road is a state-controlled district road (number 3042), rated as a local road of regional significance (LRRS).
Ipswich–Warrego Highway Connection Road Ipswich–Warrego Highway Connection Road is a state-controlled district road (number 302), rated as a local road of regional significance (LRRS).
Haigslea–Amberley Road Haigslea–Amberley Road is a state-controlled district road (number 3041), rated as a local road of regional significance (LRRS).
Rosewood–Marburg Road Rosewood–Marburg Road is a state-controlled district road (number 303), rated as a local road of regional significance (LRRS).
Laidley–Plainland Road Laidley–Plainland Road is a state-controlled district road (number 311), part of which is rated as a local road of regional significance (LRRS).
Murphys Creek Road Murphys Creek Road is a state-controlled district road (number 4104), rated as a local road of regional significance (LRRS). A project to replace the Rocky Creek Bridge, built in 1928, was completed in October 2022 at a cost of $11 million. ==Status of Toowoomba roads==