Deutsche Bahn blames technical update for nationwide train halt that stranded thousands

What happened

At around 22:00 on Tuesday, Deutsche Bahn reported a total breakdown of the GSM-R digital radio system, the central communication link between train drivers and control centres. As a safety precaution, all passenger trains were held at stations and freight trains were parked, bringing rail traffic across Germany to a virtual standstill for roughly two hours. Regional, long-distance and some local transport services were affected, including S-Bahn networks in major cities like Berlin and Stuttgart. By around 00:30 on Wednesday, the operator said the situation had been stabilised via an emergency system, but delays and cancellations persisted into the Wednesday morning rush.

The cause

Philipp Nagl, head of DB InfraGO, the infrastructure arm, said the fault appears to have been triggered by a scheduled replacement of a technical component in the GSM-R core network. While the company ruled out sabotage and a cyberattack, it acknowledged that it could not immediately determine whether hardware, software or human error was to blame. Some employees reported to broadcasters that a software update had been the source.

“Currently it appears the cause of yesterday’s disruption to the GSM-R digital radio system was the planned replacement of a technical component.”

Nagl added that a thorough investigation was under way with the highest priority.

Passenger and freight impact

Thousands of travellers were stuck on platforms and aboard stationary trains well into the night. Deutsche Bahn issued taxi and hotel vouchers, but many passengers complained of poor communication about the duration of the stoppage. By Wednesday morning, passenger services had largely resumed, though the rail freight sector remained severely disrupted. Neele Wesseln, chair of the freight association “Die Güterbahnen”, said about half of goods trains were still stranded across the country and at borders, with logistics chains expected to be affected for several days. DB InfraGO anticipated the backlog could clear by the afternoon.

Criticism and reactions

German Transport Minister Patrick Schnieder called for a comprehensive investigation and demanded that Deutsche Bahn introduce safeguards to prevent a recurrence. The incident reignited a long-simmering debate about the railway’s reliability. The tabloid Bild labelled DB a “Bruchbude” (wreck), noting that the radio system had been known as a vulnerability for months.

“We managed to fix the problem temporarily via an emergency system.”

CEO Evelyn Palla, who is already grappling with the delayed and over-budget Stuttgart 21 project, is expected to present the latest cost overruns on Friday.

Deep-seated infrastructure woes

The outage adds to a litany of problems for the state-owned operator, whose punctuality has tumbled from around 85% in the early 1990s to 59% in February 2026. Chronic underinvestment, ageing infrastructure and a multi-billion-euro modernisation programme that itself causes frequent closures have made the railway a national symbol of Germany’s investment backlog. The GSM-R system, based on 2G mobile technology introduced in the late 1990s, remains the European standard, although a successor system (FRMCS) is envisioned for the 2030s.

Early 1990s85

February 202566

February 202659

Early 1990s

85 % trains on time

February 2025

66 % trains on time

February 2026

59 % trains on time

Data from the article text