There needs to be a way to tell Waze to map your approach to arrive from a specific direction.

Example: The cathedral in downtown Los Angeles is on the northeast corner of Temple and Hill streets. The only access to the parking lot is to turn right from southbound Hill street. You can't make a left into the lot from northbound Hill Street, and there is no access at all from easebound or westbound Temple Street.

So having some method of specifying an approach direction (in this case) "southbound only approach") would be wonderful.