Wow thanks you guys are super helpful! I will use Alexz's suggestion to 'lcn=proposed' tag. I'm using an geo-referenced illustrator file in qGIS then shapefiles from OSM. and potlach.
Then end game is to use this in mapbox or leaflet for routeing via bike routes. Some areas are "suggested" bike routes, but no signage/paint exists. LCN=proposed may be perfect for this, while bike=yes