The volume of the 1972 S cars Candy Cars produced were 8 Hi Vis however there were
Q cars and many marked XA Police GT's with the Insignia on both front door The 8 XA GT HO modified cars were for a new special Hume Highway Group distinct from Victoria Police MTS
witha specific task to be as conspicuos as possible with the Hi Vis cars on HIGHWAY 31 the HUME to tack the unacceptable Road Toll