diff --git a/application/src/main/java/org/opentripplanner/graph_builder/module/osm/OsmDatabase.java b/application/src/main/java/org/opentripplanner/graph_builder/module/osm/OsmDatabase.java
index a560b96b2ab..e6727190b54 100644
--- a/application/src/main/java/org/opentripplanner/graph_builder/module/osm/OsmDatabase.java
+++ b/application/src/main/java/org/opentripplanner/graph_builder/module/osm/OsmDatabase.java
@@ -253,7 +253,7 @@ public void addWay(OsmWay way) {
 
     applyLevelsForWay(way);
 
-    if (way.isAreaWay()) {
+    if (way.isRoutableArea()) {
       // this is an area that's a simple polygon. So we can just add it straight
       // to the areas, if it's not part of a relation.
       if (!areaWayIds.contains(wayId)) {
diff --git a/application/src/main/java/org/opentripplanner/osm/model/OsmWay.java b/application/src/main/java/org/opentripplanner/osm/model/OsmWay.java
index 31a0d8d9442..7b5fbe56748 100644
--- a/application/src/main/java/org/opentripplanner/osm/model/OsmWay.java
+++ b/application/src/main/java/org/opentripplanner/osm/model/OsmWay.java
@@ -14,13 +14,7 @@ public class OsmWay extends OsmWithTags {
     "backward",
     "reversible"
   );
-  
-  private static final Set<String> INDOOR_AREA_VALUES = Set.of(
-    "room",
-    "corridor",
-    "area"
-  );
-  
+
   private final TLongList nodes = new TLongArrayList();
 
   public void addNodeRef(long nodeRef) {
@@ -149,20 +143,20 @@ public boolean isBackwardEscalator() {
    *
    * An area can be specified as such, or be one by default as an amenity.
    */
-  public boolean isAreaWay() {
+  public boolean isRoutableArea() {
     return (
       !isTag("area", "no") &&
       (
-        isTag("area", "yes") || isParking() || isBikeParking() || isBoardingArea() || isIndoorArea()
+        isTag("area", "yes") ||
+        isParking() ||
+        isBikeParking() ||
+        isBoardingArea() ||
+        isIndoorRoutable()
       ) &&
       getNodeRefs().size() > 2
     );
   }
 
-  public boolean isIndoorArea() {
-    return isOneOfTags("indoor", INDOOR_AREA_VALUES);
-  }
-
   /**
    * Given a set of {@code permissions} check if it can really be applied to both directions
    * of the way and return the permissions for both cases.
diff --git a/application/src/main/java/org/opentripplanner/osm/model/OsmWithTags.java b/application/src/main/java/org/opentripplanner/osm/model/OsmWithTags.java
index 28dd1db9fae..cbaf4652b34 100644
--- a/application/src/main/java/org/opentripplanner/osm/model/OsmWithTags.java
+++ b/application/src/main/java/org/opentripplanner/osm/model/OsmWithTags.java
@@ -44,11 +44,8 @@ public class OsmWithTags {
     "bus_guideway",
     "escape"
   );
-  
-  private static final Set<String> INDOOR_ROUTABLE_VALUES = Set.of(
-    "corridor",
-    "area"
-  );
+
+  private static final Set<String> INDOOR_ROUTABLE_VALUES = Set.of("corridor", "area");
 
   private static final Set<String> LEVEL_TAGS = Set.of("level", "layer");
   private static final Set<String> DEFAULT_LEVEL = Set.of("0");