Dating back to 1867 in Boston, Massachusetts, what can you anticipate at an intersection if you see this sign?
Answer Railroad crossing
In the olden days, busier crossings were guarded by watchmen who warned vehicles and pedestrians of oncoming trains. Accompanied by railroad crossing gates, these signs first appeared in Boston in the mid-19th century.
Asked by Tom Cohen · Last updated 4 years ago · 4.8K views · SOURCE
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