That's right 3greens, and you approach the "limit" from the less restrictive side. If the restricted area is sfc-2500 you CAN fly at 2500ft which is your limit. Buffers are allowed for too, so no need to brown your undies if you descend to 2480ft over the restricted airspace.
That's also exactly why one must stay not below 500' above the lower limit of controlled airspace when cleared a visual approach.