A hose bridge can be used by tram operators to avoid delays by not being able to cross over fire hoses. == History, particularly in Chicago == When until the end of the 19th century a fire occurred in the down town district of Chicago, near one of the loops of the Chicago Surface Lines, all the lines of the company using that loop were in danger of being tied up for a long period.
A hose bridge can be used by tram operators to avoid delays by not being able to cross over fire hoses. == History, particularly in Chicago == When until the end of the 19th century a fire occurred in the down town district of Chicago, near one of the loops of the Chicago Surface Lines, all the lines of the company using that loop were in danger of being tied up for a long period.
Source: Wikipedia "Hose bridge" · CC BY-SA 4.0
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