Department for Infrastructure and Transport · Awarded contract

Awarded

Construction of Dual-Lane Roundabout at Curtis Road and Heaslip Road Intersection, Angle Vale

Awarded 26 Aug 2026

View live tenders

Awarded26 Aug 2026

Value$10,101,001.18

SupplierWinslow Infrastructure

AgencyDepartment for Infrastructure and Transport

StateSA

CategoryInfrastructure

Expires in 10mo1y term, 20% elapsed

Awarded 26 Aug 2026Expires 26 Aug 2027

About

The Department for Infrastructure and Transport awarded a contract to Winslow Infrastructure for the construction of a new dual-lane roundabout at the intersection of Curtis Road and Heaslip Road in Angle Vale.

The project, valued at AUD 10,101,001.18, is funded by the Australian and South Australian Governments, with the Australian Government's contribution through the $1 billion Priority Works Stream and Housing Support Program.

The scope includes new pavements, concrete kerbs and gutters, concrete islands, stormwater drainage, line marking, street lighting, pedestrian crossings, footpaths, shared-use paths, bicycle lanes, road signage, safety barriers, and landscaping.

The upgrade aims to improve safety and congestion and support nearby residential developments.

Similar open tenders12

Mini Roundabout Construction at Verran Terrace, City of Port LincolnInfrastructure

23 Nov 2026

School Crossing and Intersection Upgrade – Goulburn Valley Highway & Cemetery Road, Kialla WestInfrastructure

18 Nov 2026

Construction of Pedestrian‑Cyclist Refuge Island and Road Safety Improvements – Henry Lawson Drive, MilperraInfrastructure

24 Nov 2026

Alice Springs - Stuart Highway and Schwarz Crescent Intersection UpgradeInfrastructure

01 Dec 2026

Intersection Upgrades at Demarchi Rd–Murdoch Dr and Buttweld Rd–North Circular Rd – Town of Port HedlandInfrastructure

18 Nov 2026

Construction of Traffic Calming and LATM Works – Werril Street, Swan HillInfrastructure

19 Nov 2026

Proserpine–Shute Harbour Road Duplication and Intersection Upgrades – Cannonvale (1.9 km)Infrastructure

09 Dec 2026

Reid Road Roundabout Safety Upgrades and Midblock Speed Treatments – Shire of BroomeInfrastructure

04 Dec 2026

Civil Construction and Landscaping for Three Roundabout Upgrades on Young Street, City of UnleyInfrastructure

26 Nov 2026

Intersection Upgrade Construction – Ocean Beach Road & Rawson Road, Woy WoyInfrastructure

08 Dec 2026

Myall Street and Boobook Avenue Intersection Upgrade – Mildura Rural City CouncilInfrastructure

19 Nov 2026

Intersection Upgrade Construction – Princes Highway & Waratah Street, KirraweeInfrastructure

09 Nov 2026

Other similar contracts12

Construction of Roundabout at Glenelg Hwy and Eurambeen-Streatham Rd IntersectionInfrastructureWinslow Constructors Pty Ltd

$3,634,577.65

Construction of a Roundabout at Barwon Heads Road and Staceys RoadInfrastructureWinslow Constructors Pty Ltd

$4,818,310.33

Installation of Traffic Signals at Geelong Portarlington & Wilsons Road IntersectionInfrastructureWinslow Constructors Pty Ltd

$2,447,222.83

Intersection Improvement Works by Winslow Constructors Pty Ltd for Department of TransportInfrastructureWinslow Constructors Pty Ltd

$403,350.23

Roundabout Construction by Winslow Constructors for DTPInfrastructureWinslow Constructors Pty Ltd

$5,358,967.87

Construction of Roundabout at Western Hwy by Ace Infrastructure Pty LtdConstructionAce Infrastructure Pty Ltd

$9,897,164

Safety Upgrades on Lobethal Road between Ashton and LenswoodInfrastructureBild Infrastructure Pty Ltd

$12,680,945.17

Intersection Upgrade at Glass House Mountains Road and Caloundra Street, LandsboroughInfrastructureWinslow Infrastructure Pty Ltd

$9,378,506

Safety and Intersection Upgrades at Samford Road and Camp Mountain RoadInfrastructureWinslow Infrastructure Pty Ltd

$12,806,737

Intersection Upgrade at Cunningham Highway and Ipswich Rosewood RoadInfrastructureArup Australia Pty Ltd

$7,665,769

Construction of 50 metre diameter roundabout at Illawarra Main Road and Poatina Main Road, LongfordInfrastructureAndrew Walter Constructions

$1,286,866

Construction of Roundabout at Rolling Meadows Drive and Curtis Avenue, SunburyInfrastructureMJ Construction Group Pty Ltd

Suppliers similar to Winslow Infrastructure8

Winslow ConstructorsInfrastructure

Bild GroupInfrastructure

BildInfrastructure Pty LtdInfrastructure

Ace InfrastructureInfrastructure

Civilworx Constructions Pty LtdInfrastructure

Andrew Walter ConstructionsInfrastructure

Civcon Civil & Project ManagementInfrastructure

Negri Contractors (Vic) Pty LtdInfrastructure

Unlock the full platform.

7 days free, then $59/AUD per month. Cancel anytime.

What you get

Find

Find infrastructure tenders in SA in one place.

We monitor federal, state and local government portals in near real time and update the feed as tenders are published, so you check one place instead of many.

Search by keyword, or describe your workType a keyword, or switch to AI search and say what your business does.

Narrow it downFilter by category, state and area, or view open tenders on a map.

Alerts

Open tenders like this contract, sent to you.

Tell us what you are looking for and we email you when a matching tender is published.

Set it up your wayUse keywords, a description of your work, a location or a distance from a postcode. Up to 10 alerts.

Instant or dailyGet an email when a match is published, or one summary a day.

Assess

Size up a tender in minutes.

Before you open a single document, get the requirements, a likely value and who you would be up against.

Requirements from the documentsWho can bid, mandatory criteria, how it is scored, insurance and key dates, each with its source.

Value and competitionAn estimated value from similar awarded contracts, and the suppliers most likely to bid.

Market

Follow Winslow Infrastructure and get alerts when they win again.

Awarded contracts with the supplier and the value, so you can check prices, spot competitors and find work that is coming back to tender.

Supplier and agency profilesWhat each one has won or awarded, who they work with, and how that is changing.

Contracts ending soonTerms that finish in the next 12 months, which often go back out to tender.

Pipeline

Track your bids from interested to won.

Save a tender in one click and move it through each stage as you work on it.

Work as a teamInvite colleagues so you work from the same list.

Take it with youExport tenders and matches to CSV.

GovBot

Ask a question in plain English.

Find tenders, look up a supplier, or check who won a contract. Just type what you need.

Get started

Get infrastructure tenders in SA by email.

Find the tender, size it up and track the bid, in one place.

7 days free, then $59/AUD per month