As the UK network moves toward greater integration under Great British Railways, procurement teams are likely to place increasing emphasis on consistency, visibility, accessibility, and value across alternative transport provision.
Under changing national passenger standards, traditional localised and fragmented approaches can create operational challenges and make it more difficult to deliver a consistent and accessible passenger experience.
Great British Rail Replacement (GBRR), part of CMAC Group, is the tech-enabled, passenger-first solution that bridges this gap by integrating real-time GPS tracking, paperless digital dockets, multi-modal fleets supplied by our trusted, pre-vetted supplier network, and physically deployed ground staff into a seamless ecosystem.
Read on to discover how CMAC’s Great British Rail Replacement framework delivers end-to-end journey continuity.
When will Great British Railways start?
The structural overhaul of the UK rail network is progressing through a clear two-stage legislative and operational roadmap.
The foundational step was established under the Passenger Railway Services (Public Ownership) Act 2024, which granted the Department for Transport the legislative authority to bring private Train Operating Companies (TOCs) back into public ownership. This is being processed under Department for Transport (DfT) Operator Limited as existing contracts expire or hit break points.
This process is being delivered by DfT Operator Limited (DfTO), which acts as the government’s public rail owning group and delivery partner for the public ownership programme ahead of GBR.
Several major networks have already completed this transition — including South Western Railway, c2c, Greater Anglia, West Midlands Trains, and Govia Thameslink.
The transition programme is continuing on a structured schedule:
Chiltern Railways: Transferred into public ownership on 20th September 2026.
Great Western Railway (GWR): Scheduled to transfer on 13th December 2026.
Avanti West Coast: Scheduled to transfer on 7th March 2027.
The DfT has stated that the completion of transfers across all remaining passenger franchises is expected by the end of 2027, though timelines could be subject to change as the process evolves.
So, when will the Great British railways start its formal operations as a single entity?
The Railways Bill, which formally creates Great British Railways (GBR) as the arm's-length body integrating track and train, is targeted for Royal Assent later this year, with GBR projected to become fully operational in the next couple of years.
GBR implementation timeline & roadmap
2024: Passenger Railway Services (Public Ownership) Act Passed
2025-2027: Progressive transfer of TOCs to DfT Operator Limited
Late 2026: Targeted Royal Assent for the formal Railways Bill
2027: GBR (hopefully) fully operational as a unified arm’s-length body
What does GBR mean for procurement?
While the broader transition toward Great British Rail is certainly gaining momentum, the formal future procurement architecture for all third-party services hasn’t been firmly established, and it’s still too early to decide whether a single contracting model will be finalised across every operational category.
However, the direction of travel is towards greater consistency, coordination, and accountability across the railway. For suppliers, this is likely to increase scrutiny around value for money, accessibility, performance evidence, resilience, and standardised reporting.
For Rail Procurement Directors and DfT Operator of Last Resort (OLR) contracting bodies, the current transition period is an ideal time to assess supplier capability and operational performance.
The government's wider rail reform agenda aims to achieve substantial long-term efficiency savings while improving overall network reliability. To support these broader objectives, procurement teams are increasingly exploring partnerships with managed service providers that deliver robust commercial oversight, scalable capacity, and audited operational resilience.
Rethinking alternative transport strategy forms a key part of this review. Data from our Rail Disruption White Paper revealed that 92% of rail passengers feel no progress has been made on disruption management across the UK network in recent years. Addressing these passenger concerns provides TOCs and OLR contracting bodies with a clear opportunity to rebuild confidence through dependable, transparent ground transport.
What is rail replacement in the GBR era?
To evaluate modern network needs, operators must ask what rail replacement looks like when evaluated against national standards.
Rail replacement shouldn’t be treated as simple emergency vehicle sourcing. Whether planned or unplanned, it requires coordinated transport operations, passenger information, accessibility, on-site management and contingency planning.
A significant portion of rail replacement is planned well in advance around scheduled engineering works, allowing for detailed route optimisation, timetable integration, and passenger communication.
On the other hand, unplanned disruption — triggered by severe weather, infrastructure failures, or emergency incidents — demand immediate, agile mobilisation to prevent station congestion and stranded passengers.
Disruption impact on rail passengers
Understanding the passenger experience during disruption highlights opportunities to improve how alternative transport services are planned, communicated, and delivered.
Data from GBRR's Rail Accessibility White Paper revealed operational friction hits disabled passengers hardest, and disruption can significantly impact the travel experience. We found:
30% of disabled passengers have been stranded without alternative transport during disruption.
Over half of disabled passengers would cancel/postpone their journey or seek alternative public transport rather than using rail replacement.
Only 2.8% of disabled passengers feel current rail replacement services are fully accessible.
Meeting accessibility requirements goes beyond sourcing a physically accessible vehicle. Operators also need to consider passenger information, journey management and the wider travel experience.
While vehicle standards under the Public Service Vehicles Accessibility Regulations (PSVAR) dictate physical requirements — such as lift access and dedicated wheelchair spaces — operators must also account for the Public Service Vehicles (Accessible Information) Regulations (PSV(AI)R).
This means ensuring clear, multi-format passenger information alongside trained staff guidance is vital for closing the accessibility divide. To explore these shifting regulatory dates in detail, read our analysis on what the PSVAR compliance deadline means for rail replacement and how operators are working toward closing the accessibility gap in rail disruption.
Orchestrating end-to-end journey continuity with Great British Rail Replacement (GBRR)
To help operators navigate these evolving operational demands, CMAC established Great British Rail Replacement (GBRR) in 2024 as its specialist rail replacement proposition. GBRR brings together technology, supply partner networks, and ground operations into an integrated delivery model tailored to modern railway expectations.
GBRR operates across four core pillars:
Multi-modal supplier coordination — CMAC coordinates an extensive, pre-vetted network of independent transport suppliers and scalable vehicle capacity. This independent network mobilises compliant coaches, rail replacement buses, minibuses, hackney cabs, and wheelchair-accessible vehicles (WAVs) tailored to match precise passenger demand.
24/7 command centres & ground coordination — Alternative transport logistics are managed around the clock through dedicated control centres. To support station teams during major disruptions or high-capacity planned blockades, trained ground coordinators can be deployed where needed to manage passenger flow, assist disabled passengers, and coordinate vehicle boarding.
Proactive journey management & operational visibility — GBRR leverages proprietary technology, including GeoMondo and supporting platforms, to give control teams and rail staff real-time visibility over vehicle locations, ETAs, and service status. This operational intelligence enables proactive journey management and incident escalation, while paperless digital dockets and pre-agreed rates remove administrative strain for station staff.
Managed escalation & contingency pathways — When primary road replacement routes cannot serve a passenger's specific destination, GBRR activates managed escalation pathways. This includes coordinating onward taxi movements or specialised accessible transport, preventing passengers from being left behind.
How first-and-last mile supports rail resilience
Maintaining service continuity during network disruption requires looking beyond station-to-station bus corridors. A resilient alternative transport strategy hinges on managing complex passenger touchpoints — particularly onward taxi movements, accessible alternatives, isolated stations, missed connections, and passengers whose destinations cannot practically be served by the main replacement route.
Bridging passenger gaps with first & last mile solutions
When primary rail lines or replacement bus routes terminate away from a passenger's ultimate destination, gaps in transport create friction. A dedicated passenger first and last mile solution bridges this gap by arranging onward travel from stations or connecting points to final destinations.
Providing structured onward transit can help reduce pressure at stations during high-volume incidents and relieves operational stress on frontline rail staff. Importantly, building brand reputation in these moments is the natural byproduct of taking genuine care of passengers; travellers value operators who provide supportive, transparent travel solutions when journeys are disrupted.
Safeguarding operations with integrated Business Continuity frameworks
For Rail Procurement Directors and OLR contracting bodies, managing operational risk during catastrophic network failures requires pre-planned resilience.
Partnering with an established managed transport specialist provides structured access to pre-vetted supply partners under an integrated rail business continuity framework. Coordinating services through an established network of independent transport providers ensures strict compliance with the Tour Operators' Margin Scheme (TOMS), securing reliable capacity and transparent, pre-agreed pricing without exposure to sudden market rate inflation during emergencies.
Rebuilding passenger confidence through transparent, accountable procurement
Updating alternative transport strategies during this transitional era is an important part of improving passenger outcomes and operational resilience. Relying on fragmented, ad-hoc sourcing during line closures introduces operational vulnerabilities, administrative bottlenecks, and passenger frustration.
Integrating a managed strategy that combines compliant vehicle sourcing, auditable supply networks, and door-to-door continuity transforms replacement transport from a reactive challenge into a structured demonstration of reliable passenger service.
How can CMAC support navigation procurement under GBR?
Navigating the transition toward Great British Railways requires a trusted operational partner capable of blending advanced technology with proven, hands-on logistics. At GBRR, our priority is taking the operational pressure off TOCs and station teams during high-stress disruptions, allowing frontline staff to focus on passenger welfare while we handle complex transit deployments.
We maintain the highest standards of safety and care across our vetted supplier network, with live GPS tracking to deliver total peace of mind on passenger security. With access to tailored transport options — ranging from low-floor buses, MPVs, and wheelchair-accessible vehicles to executive cars and emergency hotel and accommodation booking — we draw from a vast network of over 7 million vehicles worldwide to build bespoke solutions for any operational scenario.
Our 24/7/365 control centres provide round-the-clock expert monitoring and instant response capabilities when disruptions hit. We facilitate over 5 million journeys every year with an industry-leading 99% satisfaction rate. To see how we can optimise passenger flow across your network, learn more about our managed taxi rank solutions or our dedicated first and last-mile technology.
Planning for rail reform? Speak to our rail specialists about building a more resilient, accessible, and accountable alternative transport strategy that supports both passenger outcomes and operational performance.
Contact us today to schedule a consultation on aligning your rail disruption response with upcoming GBR standards*.
*Great British Rail Replacement (GBRR) is CMAC Group’s specialist rail replacement proposition and is independent from Great British Railways (GBR).