London’s railway of the future is finally here
London has the oldest underground railway in the world, and on May 24th, it will welcome its newest addition to the family. Crossrail is the realization of a dream first mooted in 1941, but one that would only start being built in 2009. It is one of the biggest infrastructure projects in the western world, arriving several years late and several more billion pounds over budget.
Konopka explained that there was some art and artistry baked into the system to help things run smoother and smarter. For instance, the gradient of the railway line gently inclines in the tunnel sections approaching a station. That way, a train slows down more efficiently since some of its forward motion is being sapped by the hill it has to climb.
“Conceptually, the project is brilliant,” says Colin Brown, Technical Director of the Crossrail project, but “it joins up to railways that were built in Victorian times, and that’s where your problem starts,” he said. “The Great Western was built by [Legendary engineering pioneer Isembard Kingdom] Brunel,” he explained, “and the Great Eastern wasn’t far behind it.” “The technology on those two railways has evolved over many years,” he said “but hasn’t been changed since the ‘60s or ‘70s.
CBTC is also predominantly automatic, with drivers acting in a more supervisory role while the trains are underground.This automatic system will even operate the train when it needs to reorient itself ready for its next leg of the journey. “When it gets to Paddington,” said Pradeep Vasudev, Head of System Integration, “the driver pushes a button and then he walks from one cab to the other [at the other end of the train] while the train drives itself.
Unlike a mainline train, or a subway, the role shifts depending on where along the route the train is. “On the East and the West, you’ll be physically driving [the train],” he said, while in the COS, “in theory, the train is automatic, but we’re there for more of a safety [role].” “Although you’re doing less, you still have to remain alert,” he added, especially in the dark tunnels that require drivers to “keep their awareness up.
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