#502 was a 1950 Prevost P094 model bus. This is the only Prevost transit bus that has been used in transit service in Alberta. This bus was purchased by the City of Red Deer in 1966 from Diamond Bus Line's where it was #7. #502 was the only bus which Red Deer operated in 1966 that had not previously run for Sorenson Bus Lines. #502 was renumbered to 71-02 in 1969 and retired in 1972, being disposed of that same year.

Thumbnail	Bus #	Date	Description
	502	November 19, 1968	#502 in Red Deer on November 19, 1968.