das folgende mit psv= und bus= scheint zu funktionieren.
assign caraccess
switch motorcar=
switch motor_vehicle=
switch vehicle=
switch psv=
switch bus=
switch access=
switch highway=motorway|motorway_link 1
switch highway=trunk|trunk_link 1
switch highway=primary|primary_link 1
switch highway=secondary|secondary_link 1
switch highway=tertiary|tertiary_link 1
switch highway=unclassified 1
switch route=ferry 1
switch isresidentialorliving 1
switch highway=service 1
0
access=yes|permissive|designated|destination
bus=yes
psv=yes
vehicle=yes|designated|destination
motor_vehicle=yes|permissive|designated|destination
motorcar=yes|permissive|designated|destination