The June 9th, 1945 issue of Billboard mentions "Twelve carpenters and electricians have been busy for some time reconverting the Roller Coaster. Work has been under the supervision of Vernon Keenan, Coaster engineer with Ackley, Bradley & Day." The large number of workers suggest this was more than trivial maintenance being done.
The Greyhound was destroyed by a Tornado on May 12th, 1959 at about 7:30 in the evening. No riders were on the course at the time, although some had just finished a run.