Thanks for posting that. If I'm reading it right, Copenhagen uses four standard designs and determines which to use based on automobile speed in a given section of roadway.

1. No separation--under 30 kmh
2. Painted bike lane--30-50 kmh
3. Bike lane separated by curb--40-60 kmh
4. Bike lane separated by median or row of parked cars--over 60 kmh
5. Bi-directional off-street cycle path--over 60 kmh

I could debate the speed standards, and possibly add features (wide curb lanes and sharrows) but I agree with the concept that there should be different features in different settings, but with some degree of standardization. After all, that philosophy has worked well for designing motor-specific roads, it should continue to work as we build more inclusive roadways.