Often there is one situated on the south side of Canyon road next to one of the car dealership buildings.
At the bottom of the hill, just before the curve heading up toward Hwy 26 / Sylvan, there may be a van parked in the gravel turnout on the south side to catch east-bound travelers. The van may alternately be parked on the road (partly hidden) or completely hidden in the area of the Goodwill drop-off center parking lot to catch west-bound travelers.
Just past the turn, there is often a van parked just after the speed changes from 35-40 mph (to catch east-bound travelers). I’ve been flashed twice while someone sped by me on the left. Thankfully I never got a ticket for either one sent to me in the mail.
Alternately, there is a paved turnout across the street where very infrequently a van may be parked to catch west-bound travelers as they come around the blind corner.
2-3 blocks further up, the van may be parked on either shoulder of the road to catch motorists traveling in the closest lane.
I travel this road daily and am very careful in these extremely frequent speed-trap zones. They usually have a van in one of the 6-7 areas every other day and at random times (usually during commute times, but sometimes hidden in the dark after-hours making them very hard to see, since there are no street lights).
Most of the time they put out little placards at the side of the road a ways before and after saying "Now Entering Speed Zone" and "You Have Just Passed Through a Radar Zone" (or something like that), but a few times I’ve seen the vans there without warning signage.