remove extra info from route relation ref
service=crossover is reserved for crossovers between main tracks
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both
add railway:preferred_direction=both