DescriptionI-70 (PA 1957).svg 1957 version of the Interstate Highway marker for Pennsylvania Date 23 January 2012 Source Own work Author Fredddie...
DescriptionI-70S (PA 1957).svg 1957 version of the Interstate Highway marker for Pennsylvania Date 23 January 2012 Source Own work Author Fredddie...
DescriptionI-70 (PA) Metric.svg English: 600 mm by 600 mm (24 in by 24 in) Interstate shield (metric version), made to the specifications of the 2004 edition...
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