Nice! I know of only a couple ITT/Thomas & Betts lights on RIDOT's poles too. they're on the taller davits that were used from the 80s onwards with new installations on the actual highway with 400W HPS fixtures (the ramps still used the shorter davits and 250W HPs fixtures and these poles were wired with individual PCs, though later 80s and onwards, the installations were relay-controlled).
They use coopers now on some of them. A lot of the replacements now are OVF's.