Currently the NVDB script uses the lanes:bus= scheme. Not to be confused with the bus:lanes= scheme (which is rather easy to do...)
A key reason for using lanes:bus is that if there are say 3 lanes and 1 bus lane, NVDB has no information which one of those lanes that are the bus lane. The lanes:bus scheme does not require to specify which lane is which, while the bus:lanes does.
Of course bus:lanes would be preferred if it would be generally possible, but it isn't.
The end result needs some analysis though and further refinement is probably possible.
atorger
commented
3 years ago
There are several schemas for tagging bus lanes, all in active use:
https://wiki.openstreetmap.org/wiki/Bus_lanes
Currently the NVDB script uses the lanes:bus= scheme. Not to be confused with the bus:lanes= scheme (which is rather easy to do...)
A key reason for using lanes:bus is that if there are say 3 lanes and 1 bus lane, NVDB has no information which one of those lanes that are the bus lane. The lanes:bus scheme does not require to specify which lane is which, while the bus:lanes does.
Of course bus:lanes would be preferred if it would be generally possible, but it isn't.
The end result needs some analysis though and further refinement is probably possible.