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Arizona Department of Transportation

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Type
State DOT — state department of transportation; sponsor of the State Rail Plan and of the Phoenix–Tucson intercity passenger rail corridor under the Federal Railroad Administration's Corridor Identification and Development Program, and the designated state safety oversight agency for Arizona's rail fixed guideway systems
Market · Region
United States · Arizona
Open tenders
0
Technology areas
Track & civil, Signalling & train control, Predictive maintenance

Holds Arizona's rail mandate through planning work and oversees safety for metro transit systems.

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Holds the state's rail mandate through its long-range multimodal planning work. Its 2022 State Rail Plan update records an Arizona rail network of two Class I railroads — BNSF Railway across the north, whose Southern Transcon carries over 100 trains a day, and Union Pacific's Sunset Route across the south, which handles approximately 20 per cent of that railroad's total traffic — plus nine short line railroads of which eight were operational, totalling 478 miles. ADOT sponsors the Phoenix–Tucson Intercity Passenger Rail Corridor Study, a service development plan for a 158-mile segment of the Union Pacific corridor selected by the Federal Railroad Administration Tier 1 environmental impact statement and record of decision completed in 2016. ADOT is the safety oversight agency for the Valley Metro light rail and streetcar systems and for Sun Link in Tucson.

Type
State DOT — state department of transportation; sponsor of the State Rail Plan and of the Phoenix–Tucson intercity passenger rail corridor under the Federal Railroad Administration's Corridor Identification and Development Program, and the designated state safety oversight agency for Arizona's rail fixed guideway systems
Where
Arizona · Phoenix
Programmes
IIJA / Bipartisan Infrastructure Law
Technology areas
Track & civil, Signalling & train control, Predictive maintenance

Structure

  • regulates Valley Metro — State safety oversight of Arizona's rail fixed guideway systems, contracted to Dovetail Consulting Inc under the Light Rail/Streetcar Safety and Security Oversight master agreement (active · since 2025-04-08)
  • regulates City of Tucson — 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)
Sources for these relationships (3)
  • ● State of Arizona · Arizona Procurement Portal (APP) — public contracts browse, searched for rail on 14 September 2026 (published 2026 · checked 2026-09-14)
  • ● State of Arizona · Arizona Procurement Portal (APP) — public request-for-proposals browse (Ivalua), searched on 14 September 2026 for rail, light rail, streetcar, track, transit, grade crossing, locomotive, crossing, railcar, catenary, rolling stock and Valley Metro (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 (3)
  • Entry path

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

11 sources · all primary
  • ● Arizona Department of Transportation · Procurement — the ADOT Procurement Office, the Arizona Procurement Code and the statement that current solicitations open for bidding are on the Arizona Procurement Portal (published 2026 · checked 2026-09-14)
  • ● Arizona Department of Transportation · Contact Procurement — ADOT Procurement Office desk (published 2026 · checked 2026-09-14)
  • ● Arizona Department of Transportation · Current Advertisements — ADOT construction contracts and specifications advertisement list (the iframe behind azdot.gov/business/contracts-and-specifications/current-advertisements), fourteen projects, last updated 14 September 2026 11:09 AM (published 2026-09-14 · checked 2026-09-14)
  • ● Arizona Department of Transportation · State Rail Plan — the 2022 update and its five elements (published 2022 · checked 2026-09-14)
  • ● Arizona Department of Transportation · Arizona State Rail Plan Update (2022) — the Arizona rail network, two Class I railroads and nine short lines, 478 short line miles, Amtrak stations and FY2018 boardings, highway-rail crossing crash tables (212 pages) (published 2022-10 · checked 2026-09-14)
  • ● Arizona Department of Transportation · Phoenix-Tucson Intercity Passenger Rail Corridor Study — Corridor Identification and Development Program grant, 158-mile corridor, FRA approval of the Step 1 work plan in June 2025 and the three programme steps (published 2026 · checked 2026-09-14)
  • ● Arizona Department of Transportation · Phoenix-Tucson Intercity Passenger Rail Corridor Study fact sheet — 158-mile segment of the Union Pacific corridor, the 2016 Tier 1 EIS and Record of Decision, and the statement that the corridor is not currently funded for implementation (published 2026-04 · checked 2026-09-14)
  • ● State of Arizona · Arizona Procurement Portal (APP) — public request-for-proposals browse (Ivalua), searched on 14 September 2026 for rail, light rail, streetcar, track, transit, grade crossing, locomotive, crossing, railcar, catenary, rolling stock and Valley Metro (published 2026 · checked 2026-09-14)
  • ● State of Arizona · Arizona Procurement Portal (APP) — public contracts browse, searched for rail on 14 September 2026 (published 2026 · checked 2026-09-14)
  • ● Federal Railroad Administration · Corridor ID Program Monthly Obligation Status Report, last updated 31 March 2026 — Phoenix–Tucson Corridor, Arizona DOT, Step 1 obligation 8 May 2024, $500,000, no Step 2 or Step 3 obligation; Daily Sunset Limited Service, Amtrak, Step 1 obligation 15 August 2024, $500,000 (published 2026-03-31 · 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)

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