I found myself in Bedford yesterday afternoon and since it was a nice day and I had nothing to do, I decided to try this new route to get back to Dartmouth and avoid the Magazine Hill. Construction of new curb and sidewalks on Rocky Lake Drive caused some delay, but eventually I found my way up the hill where I needed to turn left to access this route. That resulted in my first (and really, only real) complaint: the only signage was a 20 y-o small DTPW green sign with an arrow indicating "Duke St" and nothing else. Pure Nova Scotia, the personification of "IYKYK". Please, someone in the DTPW bureaucracy, put proper directional signage there indicating what routes await in that direction.
I wish I had a dashcam to provide a record of what I encountered as unfortunately Google Streetview hasn't been updated in 4 years, making their images look like a different place entirely. But I was lucky to encounter a slip lane with signage indicating that it would take me to the inbound side I was seeking and away I went with no confusion there and no roundabout or intersection necessary, what a break!
The highway didn't look like a typical NS highway, which is a compliment. Wide vistas, sweeping turns, good sightlines. As Saul noted a while ago, the stone faces created by the blasting through outcroppings are impressive. Is the Anderson Lake Connector essentially a service road & interchange for Dexter's operations in and around that area? It seems very elaborate for no other likely use.
I was heading for Burnside Drive and the only thing that caught me out was the unexpected roundabout, part of a dogbone pair, that takes you either to where I wanted to end up or outward to the old 107. I was momentarily disoriented since I didn't expect that, thinking the only roundie I'd have to navigate was the one at Burnside & Akerley that I've seen for a while now. Ah well, I guess they got a good deal on them and were trying to use them up.

As I believe Mark noted, at that point I found myself going at highway speed and had to brake harder than I would have preferred to navigate the thing. Some signage and perhaps rumble strips might be useful.
Hopefully the old dangerous 2-lane part of the 107 from the 118 to Trunk 7/Forest Hills will be twinned in my lifetime. I understand that they are clearing brush alongside the ROW in preparation for that at some point.