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The first traffic jam on the newly opened Dan Ryan Expressway was caused by workmen erecting a sign post near 24th Street, left, in two of the northbound lanes on Dec. 16, 1962. The view is looking southeast. (William Yates/Chicago Tribune)
The first traffic jam on the newly opened Dan Ryan Expressway was caused by workmen erecting a sign post near 24th Street, left, in two of the northbound lanes on Dec. 16, 1962. The view is looking southeast. (William Yates/Chicago Tribune)
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Getting familiar with Chicago's expressways — which are referred to by name instead of number — can be confusing.
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