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School crossing protection Aurora, Illinois : an analysis of the school crossing problem, including recommendations for signs, signals, type of protection and other safety aids.

Title:School crossing protection Aurora, Illinois : an analysis of the school crossing problem, including recommendations for signs, signals, type of protection and other safety aids.
Author:
Note:[Chicago], 1953
  
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No stable link:This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links.
  
Subject:Roads -- Safety measures
Subject:Signals and signaling, Automobile
Subject:Traffic regulations -- Aurora (Ill.)
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