The driver of any vehicle other than one on official business shall not follow any fire apparatus traveling in response to a fire alarm closer than 500 feet or stop the vehicle within 500 feet of any fire apparatus stopped in answer to a fire alarm.
75 Pa.C.S. § 3707
Driving or stopping close to fire apparatus
Known as the Vehicle Code
The act spans §§ 75-101 to 75-9901 (898 sections).
Official source: Pennsylvania General Assembly. Reproduced from public-domain Pennsylvania statutes; confirm against the official source for the current text. Not legal advice.