Watch: Forties movie walks by way of the steps of "Constructing a Freeway"

Here is an attention-grabbing movie for highway builders to take a look at – a 1948 piece from Encyclopedia Britannica that gives a have a look at how highways had been constructed again within the day. From scrapers pulled by one dozer and pushed by two, to steel stakes for concrete framing, to mixture crushing – there’s one thing right here for everybody. Take a look at “Constructing a Freeway.”

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