Player · Track & electrification contractor
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Colas Rail
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- Kind
- Track & electrification contractor
- Markets
- 2
- Positions held
- 5
Bouygues' rail infrastructure and freight arm.
- Kind
- Track & electrification contractor — Bouygues / Colas
- Headquarters
- France
- Ownership
- Subsidiary
- Segments
- Track, Electrification, Civil works, Operations
- Present in
- European Union, United Kingdom
Footprint
European Union
| Kind | Where | Detail | Sources |
|---|---|---|---|
| Headquarters | France | Paris; Bouygues (Colas) subsidiary; Nîmes–Montpellier bypass builder |
|
United Kingdom
Ownership and structure
- holds a concession from OTW / TEC — Tram'Ardent DBFM concession for the Liege tram: 27 years, project cost, in service since April 2025 (active · since 2025-04-28)
Positions held
SegmentTechnologyPhase
- awarded by SGP — High- and low-voltage, traction and line cabling for line 17 section 17.3, shared with Bouygues Énergie & Services (concluded July 2026) (active · since 2026-07)
- awarded by SNCF Réseau — Gretz-Troyes electrification phase 2 catenary works — COLAS RAIL; COLAS TRACTION; COLAS RAIL INFRA SERVICES (active · since 2025-12)
- awarded by SGP — Voltage equipment line 18 CEA Saint-Aubin Versailles — COLAS RAIL (active · since 2025-11)
- awarded by CFL GI — Colas Rail holds LOT-0003 of CFL's Howald phase 2 procedure, published on the first award notice of the procedure and forming part of the cumulative value of the second; it also holds the electrification of the new Luxembourg–Bettembourg line between PK 6.000 and PK 13.300 and the second negative feeder on the Luxembourg–Troisvierges line (active · since 2024-01-04)
- awarded by OTW / TEC — Liege tram 11.7 km DBFM concession Tram'Ardent — Colas Rail Belgium (active)
- Contract detail and values (3)$500m–1bn · $25–100mIn the European Union, United Kingdom edition See a fully open example
Sources for these relationships (7)
- ○ Urban Transport Magazine · Liege has a tramway again! (opening, route, fleet, concession) (published 2025-04-28 · checked 2026-09-12)
- ● TED notice 188468-2024 · Contract-award notice, CFL, second platform at Howald peripheral station with works in the Luxembourg marshalling yard and the R1 group of the Centre de Remisage et de Maintenance. total-value and BT-161-NoticeResult 44,234,281.44; result-lot-identifier LOT-0003 | LOT-0001 | LOT-0002 with winner-selection-status selec-w | selec-w | open-nw; tender-lot-identifier LOT-0003 | LOT-0001; winner-name Colas Rail (LU1961478) | AM Lux TP-Giorgetti-Tralux (LU1495563); contracts concluded 4 January 2024 and 19 December 2023; internal reference 2202511; procedure-identifier 024e3afe-539c-4961-8f20-28ca9edb1aef. The three lots published are a rail platform and track works package at Howald and the Luxembourg yard, a track removal-and-laying package of about 11,500 m, and a 2x25 kV 50 Hz type V200 catenary package over the same length. No per-lot BT-720 is published (published 2024-03-29 · checked 2026-09-14)
- ● TED notice 156875-2024 · Earlier contract-award notice in the same procedure (internal reference 2202511, procedure-identifier 024e3afe-539c-4961-8f20-28ca9edb1aef), published 15 March 2024: total-value 4,595,825.44 for LOT-0003 to Colas Rail, with LOT-0001 and LOT-0002 then still open-nw (published 2024-03-15 · checked 2026-09-14)
- ● TED Search API v3 · POST https://api.ted.europa.eu/v3/notices/search, no authentication. Two sweeps run on 13 and 14 September 2026: a history sweep on buyer-country IN (LUX) with the rail CPV set and publication-date >= 20240101 (56 notices), widened to every Luxembourg notice published since 1 January 2024 (6,909 notices, pulled in six date slices) and filtered by buyer name and title because CFL and Luxtram advertise much of their rail work under general construction classes; and an open sweep on deadline-receipt-tender-date-lot >= 20260914 and deadline-receipt-request-date-lot >= 20260914. The whole eForms value set was requested — BT-27 at procedure and lot level, BT-271, BT-720-Tender, BT-118, BT-161, estimated-value-*, framework-maximum-value-*, result-value-*, total-value, tender-value high and low — together with winner-selection-status, non-award-justification, BT-759 and BT-760, procedure-identifier, internal-identifier-proc and the parallel arrays tender-identifier, tender-lot-identifier, winner-identifier, result-lot-identifier and BT-13714-Tender (published 2026 · checked 2026-09-14)
- ● Tenders Electronic Daily (TED) · SNCF RESEAU — France – Catenary's construction works – GRETZ TROYES Electrification phase 2 (1 — notice 11804-2026 (published 2026-01-09 · checked 2026-09-05)
- ● Tenders Electronic Daily (TED) · Société des grands projets — France – Electricity supply installations – Equipements et travaux HT/BT, traction et câblages en ligne pour la ligne 17 tronçon 17.3 — notice 616278-2026 (published 2026-09-08 · checked 2026-09-12)
- ● Tenders Electronic Daily (TED) · Société des grands projets — France – Electricity supply installations – Equipements et travaux HT/BT, tronçon CEA Saint-Aubin – Versailles Chantiers, ligne 18 — notice 759523-2025 (published 2025-11-17 · checked 2026-10-03)
Competes with
Other track & electrification contractor players present in the same markets.
| Player | HQ | Markets | Positions |
|---|---|---|---|
| Swietelsky | Austria | European Union | 26 |
| Leonhard Weiss | Germany | European Union | 8 |
| EŽ Praha | Czechia | European Union | 7 |
| Rhomberg Sersa | Austria | European Union, United States | 5 |
| GoTrack | EE | European Union | 5 |
| TSS Grade | SK | European Union | 5 |
| ZUE | Poland | European Union | 5 |
| NGE / TSO | France | European Union | 4 |
1 source · secondary
- ○ Wikipedia · Colas Rail — Bouygues subsidiary; among the five largest Network Rail contractors (checked 2026-09-06)
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Compiled by Watchtower to editorial standards the Managing Partner sets and enforces. Public record only — every datum carries its source.