Bollen Road, Mount Barker (Mount Barker District Council) - 133092-25SA-RTR

Funding program Roads to Recovery Program
Status In planning
Transport mode Road
Expected start/finish Oct 2025 - May 2026
Estimated project cost $2,250,000
Australian Government contribution $1,500,000
Local Council/Shire South Australian Local Government Grants Commission
State SA

Project description

Bollen Road requires urgent reconstruction to accommodate current and projected traffic volumes exceeding 5,000 vehicles per day, driven by nearby developments including a new school, church, childcare centre, and proposed recreational facilities. The existing carriageway is too narrow, with inadequate drainage, lighting, and pedestrian access—particularly impacting school children, bus users, and residents with mobility needs. The upgrade will address these deficiencies by widening the road where possible, incorporating shared paths and safe crossings, and bringing the road up to urban collector standards. In constrained sections, a divided carriageway and tree-sensitive treatments will preserve mature vegetation while enhancing safety, sight lines, and speed management.

The Bollen Road upgrade includes the full reconstruction of approximately 1.16 kilometres of road, widening the existing 6.0–6.2 metre carriageway to a compliant 7.2 metres to meet urban collector standards and support increasing traffic, including school and public transport services. A split carriageway design between Mansfield Avenue and Memorial Drive will preserve mature vegetation, with tree-sensitive pavement treatments used where necessary to protect roots and ensure a 30-year design life. The project includes full-length kerbing, major drainage upgrades to manage 1-in-100-year stormwater flows and raised platforms at intersections to address speeding and enhance safety, all bus-compatible and aligned with existing gradients. Complementary works include a separately funded shared-use path on the eastern verge and a new footpath connecting the school to nearby residential areas, supported by safe pedestrian crossings to improve access and connectivity. Council/s contribution - $750,000.00

Total cost of proposed project is $2,250,000

Project last updated: 8 Aug 2025

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