INSERT INTO cycling.traffic_vol (gid,route_id, aadt, aadt_year, effective_start_date,
effective_end_date,geom)
    SELECT distinct gid,route_id, aadt, aadt_year, effective_, effectiv_1,
    ST_Force2D(ST_Transform(geom,4326)) FROM cycling.traffic_vol_staging WHERE effective_ is
    not null ORDER BY effective_ DESC;