Major rail upgrades on the Portsmouth Direct Line will begin next week, bringing inevitable disruption to thousands of daily commuters travelling between Portsmouth and London Waterloo.
Network Rail's latest phase of infrastructure improvements will target track, signalling systems, and bridges along the vital route. The work forms part of ongoing efforts to tackle ageing infrastructure that regularly causes delays and service disruptions for passengers.
Travellers face likely weekend closures, diversions, and rail replacement bus services whilst the upgrades are carried out. Train operators will announce specific service changes in the coming days.
The Portsmouth Direct Line serves as a lifeline for commuters across Hampshire and Surrey, as well as visitors to Portsmouth's naval heritage sites. Previous upgrade phases have already targeted sections of the route as part of Network Rail's broader strategy to modernise Britain's railway network.
Passengers are urged to check journey planners and travel information services before travelling once work begins. Network Rail will provide full details of disruptions and alternative arrangements through train operators and its own channels.