Loading gauge facts for kids
A Loading gauge defines the maximum height and width for railway vehicles and their loads to ensure safe passage through bridges, tunnels and other structures. Classification systems vary between different countries and gauges may vary across a network, even if the track gauge remains constant.
Images for kids
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The clearance space between a train and the tunnel is often small. Pictured is a London Underground Northern line train at Hendon Central.
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The London Underground utilises differing loading gauges: a Metropolitan line A Stock sub-surface train (left) passes a Piccadilly line 1973 Stock tube train (right)
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Double-decker carriage as used on French TGV railways
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Boeing 737 Next Generation fuselage being transported by rail
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Structure gauge limiting the height of vehicles for Ducharme Bridge.
See also
In Spanish: Gálibo ferroviario para niños