Map highway=step. Fixes #84

layers/transportation/layer.sql

@@ -15,7 +15,8 @@ RETURNS TABLE(osm_id bigint, geometry geometry, class text, subclass text, ramp
         END AS class,
         COALESCE(NULLIF(highway,''), NULLIF(railway, '')) AS subclass,
         -- All links are considered as ramps as well
-        CASE WHEN highway_is_link(highway) THEN 1 ELSE is_ramp::int END AS ramp,
+        CASE WHEN highway_is_link(highway) OR highway = 'steps'
+             THEN 1 ELSE is_ramp::int END AS ramp,
         is_oneway::int AS oneway,
         brunnel(is_bridge, is_tunnel, is_ford) AS brunnel,
         NULLIF(service, '') AS service

layers/transportation/mapping.yaml

@@ -137,6 +137,7 @@ tables:
       - footway
       - corridor
       - pedestrian
+      - steps
 
 # etldoc: imposm3 -> osm_railway_linestring
   railway_linestring: