Update bicycle profile to ignore crossing nodes

profiles/bicycle.lua

@@ -135,9 +135,14 @@ end
 
 function node_function (node, result)
   -- parse access and barrier tags
+  local highway = node:get_value_by_key("highway")
+  local is_crossing = highway and highway == "crossing"
+
   local access = find_access_tag(node, access_tags_hierachy)
   if access and access ~= "" then
-    if access_tag_blacklist[access] then
+    -- access restrictions on crossing nodes are not relevant for
+    -- the traffic on the road
+    if access_tag_blacklist[access] and not is_crossing then
       result.barrier = true
     end
   else