Loading gauge

The clearance between train and tunnel is often small. London Underground train at Hendon Central.

London Underground operates differing loading gauges. Here a Metropolitan line A Stock sub-surface train (left) passes a Piccadilly line 1973 Stock tube train (right)

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.

单词	Loading gauge
释义	Loading gauge 英语百科 Loading gauge 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.
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