Colas Rail
Last updated 25 May 2026
Infrastructure and freight operator running rail-mounted plant, aggregates, and timber across the UK network.
| Active since | 2007 |
| Trailing 12-period A2F | Fewer than 12 closed periods of clean data on record — available once the pipeline reaches 12 complete periods. |
| Schedule 8 — CP7 cumulative | Available under commercial licence. CP7 rates £25.81/min NR-to-FOC, £51.98/min FOC-to-NR (2× asymmetry). Bilateral net position is the licensed product — see methodology. |
| Fleet specialisation | Multi-traffic (aggregates, timber, infrastructure materials, and rail-mounted plant) |
| Parent / ownership | Colas Group (wholly owned subsidiary) |
Latest period summary
Colas Rail ran 1,693 freight services in Period 2 2026-27 at 93% A2F punctuality, against a national freight mean of 90% over 12,042 services. A2F was effectively unchanged on Period 1 2026-27 (93%); the 90% Wilson intervals overlap. Colas ranked first against peer freight operators on 0 of the 14 corridors it shared with another FOC over the period. PRELIMINARY at T+2; FINAL re-publication at T+35 after Network Rail's batch correction.
Reports
Corridors served
Methodology & sources
All figures derive from Network Rail's NROD TRUST feed, processed via the Gauge Intelligence ingest pipeline. Period definitions, A2F (Arrival to Fifteen), the Wilson 90% interval, daily anomaly rules, cross-view reconciliation, and delay attribution are documented at:
Data window — period boundaries and the data-as-of cutoff
League tables — cross-view reconciliation across the four analytical views
Anomaly detection — daily A2F SPC rules
Delay attribution — DAPR cause-code breakdown
Forecasting — prediction intervals and possession-exposure estimates
Colas Rail carries aggregates, timber, and infrastructure materials alongside rail-mounted engineering trains. Its traction fleet covers the national network, with the Southampton Corridor, West Coast Main Line, and East Coast Main Line among its busiest corridors by service count in Period 2 2026-27.