What are the deep lines on the London Underground?
What are the deep lines on the London Underground? The Bakerloo, Central, Jubilee, Northern, Piccadilly, Victoria and Waterloo & City lines are deep-level tube lines, with smaller trains running through two circular tunnels with a diameter of about 11 feet 8 inches (3.56 m), lined with cast-iron or precast concrete rings, which were bored using a tunnelling shield.
What is the biggest tube line in London?
The Central line is a London Underground line that runs through central London, from Epping, Essex, in the north-east to Ealing Broadway and West Ruislip in west London. Printed in red on the Tube map, the line serves 49 stations over 46 miles (74 km), making it the longest line on the Underground.
Why does the tube have 4 rails?
The four rail system was first used in the early twentieth century. The isolated traction current return allowed a train's position to be detected using DC track circuits, and reduced any earth leakage currents that could affect service pipes, telephone cables, or cast iron tunnel liners.
What is the most polluted tube station?
Researchers have found the underground lines with the most polluted air are the Northern, Bakerloo, Jubilee and Victoria – because they are the deepest.
Why is London subway so deep?
Building underground railways so close to the surface proved to be a very expensive exercise and it was realised that considerable costs would be saved if new tubes could be built at a deeper level, where they would involve much less disruption to existing buildings and services.
What is the longest journey on the tube?
West Ruislip to Epping on the Central line is the furthest you can travel on a single, direct London Underground train in terms of distance. It's the longest continuous journey you can take on the whole network without getting off or changing lines.
What is the deepest tunnel in London?
The Lee tunnel is the deepest tunnel ever built in London. It includes five shafts that run as deep as 95 m (312 ft) and need to handle groundwater pressures as high as 8 bar.
Which Tube line is the least used?
Roding Valley Roding Valley is London's least used tube station. Roding Valley is found on the central line. Roding Valley transports around the same number of passengers in 1 year, that London Waterloo does in 1 day.
What is the longest escalator on the tube?
Angel has the Underground's longest escalator at 60m/197ft, with a vertical rise of 27.5m. 8. The shortest escalator is Stratford, with a vertical rise of 4.1m.
What is the least used London Underground line?
Roding Valley is London's least used tube station. Roding Valley is found on the central line. Roding Valley transports around the same number of passengers in 1 year, that London Waterloo does in 1 day.
What is the deepest underground station in Europe?
THE world's deepest metro, underground station is the Arsenalna Station on the Kiev Metro in Ukraine, at 107 meters deep.
What to do if you fall on tube tracks?
- Look for others who can help you back onto the platform by offering a hand and pulling you up.
- Tuck into an alcove or underneath the platform where you can fit.
- Stand between two sets of tracks where there is typically enough clearance to be safe.
What is the longest gap between tube stations?
The longest distance between stations is on the Metropolitan line from Chesham to Chalfont & Latimer: a total of only 3.89 miles. 11.
How fast do tube trains go?
London Underground train speeds vary across our network, from as slow as 15MPH, up to 60MPH. The speed of the trains can be impacted by a range of factors including the track infrastructure, the type of signalling system, the distance between stations, and the frequency of services in the timetable.