diff --git a/mapbuilder/src/main/java/map/builder/osm/SegmentUtils.java b/mapbuilder/src/main/java/map/builder/osm/SegmentUtils.java
index 6a4bd35b7996f07db2bf51e6debb81c29cbe664d..d5a79b377d0d7bcd9f390f19537d817b1dbc6364 100644
--- a/mapbuilder/src/main/java/map/builder/osm/SegmentUtils.java
+++ b/mapbuilder/src/main/java/map/builder/osm/SegmentUtils.java
@@ -1,45 +1,44 @@
 package map.builder.osm;
 
-import de.fuberlin.navigator.protos.map_builder.RoadCategory;
-import de.fuberlin.navigator.protos.map_builder.RoadNetwork;
-import org.json.JSONObject;
-
 import java.util.Arrays;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import org.json.JSONObject;
+
+import de.fuberlin.navigator.protos.map_builder.RoadCategory;
+
 public class SegmentUtils {
-    private SegmentUtils() {}
+    private SegmentUtils() {
+    }
+
     private static final List<String> drivableRoads = Arrays.asList(
-        "motorway",
-        "trunk",
-        "primary",
-        "secondary",
-        "tertiary",
-        "unclassified",
-        "residential",
-        "living_street",
-        "motorway_link",
-        "trunk_link",
-        "primary_link",
-        "secondary_link",
-        "tertiary_link",
-        "living_street",
-        "track",
-        "road"
-    );
+            "motorway",
+            "trunk",
+            "primary",
+            "secondary",
+            "tertiary",
+            "unclassified",
+            "residential",
+            "living_street",
+            "motorway_link",
+            "trunk_link",
+            "primary_link",
+            "secondary_link",
+            "tertiary_link",
+            "living_street",
+            "road");
 
     private static final Map<RoadCategory, Integer> speedMap = Map.ofEntries(
             Map.entry(RoadCategory.ROAD_CATEGORY_HIGHWAY, 120),
             Map.entry(RoadCategory.ROAD_CATEGORY_MAIN, 90),
             Map.entry(RoadCategory.ROAD_CATEGORY_LOCAL, 50),
             Map.entry(RoadCategory.ROAD_CATEGORY_RESIDENTIAL, 30),
-            Map.entry(RoadCategory.ROAD_CATEGORY_INVALID, 0)
-    );
-    private static final Pattern patternMaxSpeed = Pattern.compile("^([0-9][\\.0-9]+?)(?:[ ]?(?:km/h|kmh|kph|mph|knots))?$");
+            Map.entry(RoadCategory.ROAD_CATEGORY_INVALID, 0));
+    private static final Pattern patternMaxSpeed = Pattern
+            .compile("^([0-9][\\.0-9]+?)(?:[ ]?(?:km/h|kmh|kph|mph|knots))?$");
 
     public static boolean isSegmentDrivable(JSONObject element) {
         return OSMJSONUtils.isTagValueOneOf(element, "highway", drivableRoads);
@@ -51,9 +50,9 @@ public class SegmentUtils {
         return switch (roadTypeTag) {
             case "motorway", "highway" -> RoadCategory.ROAD_CATEGORY_HIGHWAY;
             case "trunk", "primary", "secondary", "motorway_link", "trunk_link", "primary_link", "secondary_link" ->
-                    RoadCategory.ROAD_CATEGORY_MAIN;
+                RoadCategory.ROAD_CATEGORY_MAIN;
             case "unclassified", "tertiary", "tertiary_link", "track", "road" ->
-                    RoadCategory.ROAD_CATEGORY_LOCAL;
+                RoadCategory.ROAD_CATEGORY_LOCAL;
             case "residential", "living_street" -> RoadCategory.ROAD_CATEGORY_RESIDENTIAL;
             default -> RoadCategory.ROAD_CATEGORY_INVALID;
         };