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City of Tucson (Department of Transportation and Mobility; Sun Link streetcar)

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Type: Transit authority — city department operating the Sun Link modern streetcar alongside the Sun Tran bus, Sun Van paratransit, Sun On Demand and Sun Shuttle services; the only rail operator in Arizona outside metropolitan Phoenix
Market · Region: United States · Arizona
Open tenders: 0
Technology areas: Track & civil, Rolling-stock hardware, Electrification

Operates Sun Link streetcar and sponsors Stone Avenue bus rapid transit project.

About this buyer

Owns and operates the Sun Link streetcar in downtown Tucson and the University of Arizona district. The city is the sponsor of the only Arizona project on the Federal Transit Administration's Capital Investment Grants dashboard — Stone Avenue bus rapid transit, in project development, 4.9 miles, ten stations, 4.4 miles of exclusive bus rapid transit running way, $137.1 million project cost and an $82.3 million CIG request at a 60 per cent share, medium rated, in progress, with revenue service anticipated late 2028 — which is a bus project, not rail.

Type: Transit authority — city department operating the Sun Link modern streetcar alongside the Sun Tran bus, Sun Van paratransit, Sun On Demand and Sun Shuttle services; the only rail operator in Arizona outside metropolitan Phoenix
Where: Arizona · Tucson
Programmes: FTA Capital Investment Grants, IIJA / Bipartisan Infrastructure Law
Technology areas: Track & civil, Rolling-stock hardware, Electrification

Structure

regulated by ADOT — State safety oversight of the Sun Link streetcar, exercised alongside the Federal Transit Administration in the investigation of the streetcar 105 collision of 16 August 2025 (active)

Contract detail and values (1)In the United States edition See a fully open example

Sources for these relationships (2)

● State of Arizona · Arizona Procurement Portal (APP) — public contracts browse, searched for rail on 14 September 2026 (published 2026 · checked 2026-09-14)
● City of Tucson (Sun Link) · Sun Link Streetcar 105 Returns to Service, 21 August 2026 — repair, inspection and testing after the collision of 16 August 2025, investigation with the Arizona Department of Transportation and the Federal Transit Administration (published 2026-08-21 · checked 2026-09-14)

Withheld in the free surface

Procurement structure
Published contacts (3)
Award history (2)
Entry path

Full detail withheld: 4 fields. In the United States edition · See a fully open example

5 sources · all primary

● City of Tucson · Procurement — Business Services Department procurement division, e-procurement portal, bid opportunities and current contracts (published 2026 · checked 2026-09-14)
● City of Tucson · City of Tucson Procurement Portal on OpenGov Procurement — Active and Closed project lists read with departmentId=all and limit=100 on 14 September 2026 (published 2026 · checked 2026-09-14)
● City of Tucson (Sun Tran / Sun Link) · Procurement — Sun Tran, Sun Link and Sun Van business opportunities, current solicitations list, vendor registration and the procurement mailing address (published 2026 · checked 2026-09-14)
● City of Tucson (Sun Link) · Sun Link Streetcar 105 Returns to Service, 21 August 2026 — repair, inspection and testing after the collision of 16 August 2025, investigation with the Arizona Department of Transportation and the Federal Transit Administration (published 2026-08-21 · checked 2026-09-14)
● Federal Transit Administration · Capital Investment Grants Dashboard, last updated 10 September 2026 — the only Arizona entry is Stone Avenue BRT, City of Tucson, project development, $137.1m project cost, $82.3m CIG request, 60 per cent CIG share (published 2026-09-10 · checked 2026-09-14)

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Compiled by Watchtower to editorial standards the Managing Partner sets and enforces. Public record only — every datum carries its source.