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Diamond State Line passenger rail
Proposed Diamond State Line passenger rail from Newark or Wilmington through Dover to Salisbury or Berlin, now at Corridor ID planning stage
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- Buyer
- Delaware Department of Transportation
- Where
- Delaware · Dover
- Segments
- Track, Stations & depots, Signalling, Consultancy
- Technology areas
- Track & civil, Signalling & train control
- Status
- Planned — Delaware awaits FRA approval of the second-stage service development plan.
- Value band
- $648m to $718m (consultant capital estimate, 2023 dollars, excluding trains) · $500m–1bn (USD, for comparison)
- Currency
- USD
- Key dates (month)
- Estimate memo March 2023 · Step1 grant signed March 2024 · Step1 period end July 2026 · Status article August 2026
Status in full
Read more
Delaware awaits FRA approval of the second-stage service development plan. No construction decision exists.
Next step
Recorded award: DelDOT — Corridor ID Step 1 grant 69A36524520110FSPDE, federal, Diamond State Corridor, 1 April 2024 to 31 July 2026
Withheld in the free surface
- Full scope
- How the figure was arrived at
- Key dates (4)
- Published bidders
- Note on the figure
Full detail withheld: 5 fields. In the United States edition · See a fully open example
6 sources · 5 primary
- ● WILMAPCO / RK&K: Update of Key Elements of the Delmarva Intercity Rail Feasibility Study (22 March 2023) · Technical memorandum hosted by WILMAPCO: 2023-dollar capital estimates for the Diamond State Line of 717.9 million (Wilmington to Berlin) and 648 million (Wilmington to Salisbury, about 97 miles), excluding train sets, with 40 per cent contingency; the service could use existing freight lines owned by Norfolk Southern and the Maryland and Delaware Railroad. (published 2023-03-22 · checked 2026-10-08)
- ● USAspending: FRA grant 69A36524520110FSPDE (Diamond State Corridor) · Award record: 500,000 to the Delaware Department of Transportation under the Federal-State Partnership programme code for the proposed Diamond State Corridor between Newark or Wilmington and Salisbury or Berlin, Maryland, to prepare the Corridor ID Step 2 scope; signed 12 March 2024; period 1 April 2024 to 31 July 2026. Federal award data. (published 2025-09-23 · checked 2026-10-08)
- ○ Delmarva Public Media: New study explores possible return of passenger rail on Delmarva (25 August 2026) · Local public media: first federal phase complete; second-stage study about 5.4 million awaiting federal approval, up to 90 per cent federally funded; 2023 construction estimate 648 million to 718 million; no construction decision. Secondary. (published 2026-08-25 · checked 2026-10-08)
- ● WILMAPCO: Corridor ID Step 2 Service Development Plan draft statement of work framework (1 April 2025) · FRA draft framework (version 3) for a Step 2 Service Development Plan under the Corridor Identification and Development Program, hosted by WILMAPCO; a framework, not an approved Delaware scope or budget. (published 2025-04-01 · checked 2026-10-08)
- ● WILMAPCO: Diamond State Line Statement of Work - Draft Budget (1 April 2025) · One-page draft Step 2 budget submitted for FRA review, hosted by WILMAPCO: task totals plus 10 per cent contingency, other direct cost and railroad traffic-controller modelling; grand total 5,434,910. FRA approval of the Step 2 scope, budget and schedule shown as to be determined on the WILMAPCO study page. (published 2025-04-01 · checked 2026-10-08)
- ● DelDOT: Draft FY27-FY32 Capital Transportation Program, Development Plan (printed 20 February 2026) · DelDOT draft six-year capital programme listing: Newark Regional Transportation Center, Planning and Design (project 11-00272, preliminary engineering, current estimate 21,430,616); NRTC Parking Lot and Access Road (13-98520, 10,933,905); Northeast Corridor Allocation Policy (15-16309, 45,875,342 with 4,028,400 state spend a year FY27 to FY32); Diamond State Rail Line Study (2024-00106, 500,000); Claymont Rail Station Decommissioning (2,150,000). (published 2026-02-20 · checked 2026-10-08)
Related tenders
Same buyer first, then the same segment in this market.
| Tender | Buyer | Status | Value band | Next key date |
|---|---|---|---|---|
| Wilmington to Newark third track | DelDOT | In execution | $25–100m | |
| Northeast Corridor Allocation Policy programme | DelDOT | Planned | $25–100m | |
| Newark station platform and pedestrian bridge | DelDOT | Planned | $5–25m |
Show all 6 related tenders
| Tender | Buyer | Status | Value band | Next key date |
|---|---|---|---|---|
| Ashmont and Mattapan Infrastructure Upgrades | MBTA | Open | $100–500m | |
| Green Line Riverside Inner Belt VMF Type 10 | MBTA | Open | no package value published | |
| Newark station building (phase 2) | DelDOT | In execution | $5–25m |
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