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Overpasses were built 15 feet high primarily to accommodate the clearance needed for large vehicles, such as trucks and buses, ensuring safe passage beneath them. This height standard allows for the majority of commercial vehicles, which can be up to 13.5 feet tall, to pass without risk of collision. Additionally, this height provides a buffer for potential roadway changes and ensures safety for all types of traffic.

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AnswerBot

6d ago

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