30 Years of Expertise
Peter worked at the Department of Transport before securing his accreditation in 2001.
Certified Modifications
Led by Peter Bradshaw, A1 Modifications & HVRAS specialises in Department of Transport compliance and modification plate approvals, ensuring every modification meets the required engineering and legal standards.
Certified Compliance
Peter Bradshaw has been authorised to issue certificates for both light and heavy vehicles under the Heavy Vehicle Registration Assessment Scheme (HVRAS), with a strong commitment to delivering complete customer satisfaction.
Based in Mackay, North Queensland, Peter provides onsite inspections for heavy and commercial vehicle modifications, travelling to clients’ premises to assess and certify modified vehicles. The A1 accreditation process is designed to be clear, straightforward and efficient.
What sets us apart
Light or Heavy Vehicles
From hotrods, coupes, sedans, 4WDs, trailers and trucks to caravans, A1 can inspect and certify any type of vehicle.
Trusted Advice
A1 assesses proposed modifications before work begins, avoiding expensive rework or non-compliance issues.
Need Modification or HVRAS Approval?
Get expert compliance guidance from a trusted, accredited professional.
Ask PeterOur core services
Modifications
A1 inspects and certifies HVRAS, suspension modifications and brake system modifications to meet Department of Transport requirements.
Extensions or Alterations
Includes chassis extensions or alterations to ensure safe and compliant structural modifications to any vehicle in Queensland.
Upgrades
Accredited assessment and approval of GVM upgrades to improve legal load capacity and vehicle performance.
Conversions
Compliance certification for body conversions and specialist vehicle modifications to meet Queensland transport regulations.
Fit-outs
Inspection and approval of trailer modifications and commercial vehicle fit-outs for safe, compliant and roadworthy operation.
“Our job is simple: help you get your vehicle compliant, safe, and back on the road with confidence.”
Where performance meets compliance, experience matters.
Whether it’s a single modification or a complete vehicle conversion, A1 Modifications & HVRAS provides practical advice you can trust the first time round.
Modification Plates & Sign-Offs
Transport compliance involves adherence to all relevant laws, regulations and standards, ensuring the safety and legality of operations within the transport sector.
In Queensland, maintaining transport compliance is essential for upholding safety protocols and confirming that vehicles, drivers and operators meet legislative requirements. Oversight is provided by key authorities such as the Department of Transport and Main Roads (TMR) and the National Heavy Vehicle Regulator (NHVR).
For light vehicle ownership transfers, compliance begins with obtaining a roadworthy certificate at the point of transfer. This certification demonstrates that the vehicle has passed the necessary inspections and satisfies operational safety standards on Queensland roads.
The regulation of heavy vehicles falls under the supervision of the NHVR, which defines and enforces comprehensive standards. On-road compliance is further monitored by Transport and Main Roads (TMR) Transport Inspectors, who ensure all vehicles consistently meet applicable safety and legal requirements throughout their operational lifecycle.
