diff --git a/application/src/main/java/org/opentripplanner/apis/gtfs/datafetchers/LegImpl.java b/application/src/main/java/org/opentripplanner/apis/gtfs/datafetchers/LegImpl.java
index 54a40cef843..b02ea12e525 100644
--- a/application/src/main/java/org/opentripplanner/apis/gtfs/datafetchers/LegImpl.java
+++ b/application/src/main/java/org/opentripplanner/apis/gtfs/datafetchers/LegImpl.java
@@ -28,7 +28,7 @@
 import org.opentripplanner.routing.alertpatch.TransitAlert;
 import org.opentripplanner.routing.alternativelegs.AlternativeLegs;
 import org.opentripplanner.routing.alternativelegs.AlternativeLegsFilter;
-import org.opentripplanner.routing.alternativelegs.SearchTime;
+import org.opentripplanner.routing.alternativelegs.NavigationDirection;
 import org.opentripplanner.transit.model.network.Route;
 import org.opentripplanner.transit.model.organization.Agency;
 import org.opentripplanner.transit.model.timetable.Trip;
@@ -278,15 +278,15 @@ private Leg getSource(DataFetchingEnvironment environment) {
 
   @Override
   public DataFetcher<Iterable<Leg>> previousLegs() {
-    return alternativeLegs(SearchTime.BEFORE);
+    return alternativeLegs(NavigationDirection.PREVIOUS);
   }
 
   @Override
   public DataFetcher<Iterable<Leg>> nextLegs() {
-    return alternativeLegs(SearchTime.AFTER);
+    return alternativeLegs(NavigationDirection.NEXT);
   }
 
-  private DataFetcher<Iterable<Leg>> alternativeLegs(SearchTime timeLine) {
+  private DataFetcher<Iterable<Leg>> alternativeLegs(NavigationDirection timeLine) {
     return environment -> {
       if (environment.getSource() instanceof ScheduledTransitLeg originalLeg) {
         var args = new GraphQLTypes.GraphQLLegNextLegsArgs(environment.getArguments());
diff --git a/application/src/main/java/org/opentripplanner/apis/transmodel/model/plan/LegType.java b/application/src/main/java/org/opentripplanner/apis/transmodel/model/plan/LegType.java
index 6ca8c74070e..4b405f50f66 100644
--- a/application/src/main/java/org/opentripplanner/apis/transmodel/model/plan/LegType.java
+++ b/application/src/main/java/org/opentripplanner/apis/transmodel/model/plan/LegType.java
@@ -33,7 +33,7 @@
 import org.opentripplanner.model.plan.TransitLeg;
 import org.opentripplanner.model.plan.legreference.LegReferenceSerializer;
 import org.opentripplanner.routing.alternativelegs.AlternativeLegs;
-import org.opentripplanner.routing.alternativelegs.SearchTime;
+import org.opentripplanner.routing.alternativelegs.NavigationDirection;
 
 public class LegType {
 
@@ -486,7 +486,7 @@ public static GraphQLObjectType create(
               leg,
               env.getArgument("previous"),
               GqlUtil.getTransitService(env),
-              SearchTime.BEFORE,
+              NavigationDirection.PREVIOUS,
               env.getArgument("filter")
             );
           })
@@ -526,7 +526,7 @@ public static GraphQLObjectType create(
               leg,
               env.getArgument("next"),
               GqlUtil.getTransitService(env),
-              SearchTime.AFTER,
+              NavigationDirection.NEXT,
               env.getArgument("filter")
             );
           })
diff --git a/application/src/main/java/org/opentripplanner/routing/alternativelegs/AlternativeLegs.java b/application/src/main/java/org/opentripplanner/routing/alternativelegs/AlternativeLegs.java
index b71287a1c0e..7b685cf8193 100644
--- a/application/src/main/java/org/opentripplanner/routing/alternativelegs/AlternativeLegs.java
+++ b/application/src/main/java/org/opentripplanner/routing/alternativelegs/AlternativeLegs.java
@@ -45,7 +45,7 @@ public static List<ScheduledTransitLeg> getAlternativeLegs(
     Leg leg,
     Integer numberLegs,
     TransitService transitService,
-    SearchTime timeLine,
+    NavigationDirection timeLine,
     AlternativeLegsFilter filter
   ) {
     return getAlternativeLegs(leg, numberLegs, transitService, timeLine, filter, false, false);
@@ -73,7 +73,7 @@ public static List<ScheduledTransitLeg> getAlternativeLegs(
     Leg leg,
     Integer numberLegs,
     TransitService transitService,
-    SearchTime timeLine,
+    NavigationDirection timeLine,
     AlternativeLegsFilter filter,
     boolean exactOriginStop,
     boolean exactDestinationStop
@@ -96,7 +96,7 @@ public static List<ScheduledTransitLeg> getAlternativeLegs(
       ScheduledTransitLeg::getStartTime
     );
 
-    if (timeLine == SearchTime.BEFORE) {
+    if (timeLine == NavigationDirection.PREVIOUS) {
       legComparator = legComparator.reversed();
     }
 
@@ -127,7 +127,7 @@ private static Stream<ScheduledTransitLeg> generateLegs(
     TripPatternBetweenStops tripPatternBetweenStops,
     ZonedDateTime departureTime,
     LocalDate originalDate,
-    SearchTime timeLine
+    NavigationDirection timeLine
   ) {
     TripPattern pattern = tripPatternBetweenStops.tripPattern;
     int boardingPosition = tripPatternBetweenStops.positions.boardingPosition;
@@ -140,7 +140,7 @@ private static Stream<ScheduledTransitLeg> generateLegs(
       tts.getServiceDayMidnight() + tts.getRealtimeDeparture()
     );
 
-    if (timeLine == SearchTime.BEFORE) {
+    if (timeLine == NavigationDirection.PREVIOUS) {
       comparator = comparator.reversed();
     }
 
@@ -170,7 +170,7 @@ private static Stream<ScheduledTransitLeg> generateLegs(
           continue;
         }
 
-        boolean departureTimeInRange = timeLine == SearchTime.BEFORE
+        boolean departureTimeInRange = timeLine == NavigationDirection.PREVIOUS
           ? tripTimes.getDepartureTime(boardingPosition) <= secondsSinceMidnight
           : tripTimes.getDepartureTime(boardingPosition) >= secondsSinceMidnight;
 
diff --git a/application/src/main/java/org/opentripplanner/routing/alternativelegs/NavigationDirection.java b/application/src/main/java/org/opentripplanner/routing/alternativelegs/NavigationDirection.java
new file mode 100644
index 00000000000..8254e3e28b7
--- /dev/null
+++ b/application/src/main/java/org/opentripplanner/routing/alternativelegs/NavigationDirection.java
@@ -0,0 +1,16 @@
+package org.opentripplanner.routing.alternativelegs;
+
+/**
+ * This enum describes how the user navigates on a list of items.
+ */
+public enum NavigationDirection {
+  /**
+   * Get the next set of items.
+   */
+  NEXT,
+
+  /**
+   * Get the previous set of items.
+   */
+  PREVIOUS,
+}
diff --git a/application/src/main/java/org/opentripplanner/routing/alternativelegs/SearchTime.java b/application/src/main/java/org/opentripplanner/routing/alternativelegs/SearchTime.java
deleted file mode 100644
index 1417dba47d2..00000000000
--- a/application/src/main/java/org/opentripplanner/routing/alternativelegs/SearchTime.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package org.opentripplanner.routing.alternativelegs;
-
-public enum SearchTime {
-  AFTER,
-  BEFORE,
-}
diff --git a/application/src/test/java/org/opentripplanner/routing/stoptimes/AlternativeLegsTest.java b/application/src/test/java/org/opentripplanner/routing/stoptimes/AlternativeLegsTest.java
index 3380e8deb9f..65e99825a9e 100644
--- a/application/src/test/java/org/opentripplanner/routing/stoptimes/AlternativeLegsTest.java
+++ b/application/src/test/java/org/opentripplanner/routing/stoptimes/AlternativeLegsTest.java
@@ -12,7 +12,7 @@
 import org.opentripplanner.model.plan.legreference.ScheduledTransitLegReference;
 import org.opentripplanner.routing.alternativelegs.AlternativeLegs;
 import org.opentripplanner.routing.alternativelegs.AlternativeLegsFilter;
-import org.opentripplanner.routing.alternativelegs.SearchTime;
+import org.opentripplanner.routing.alternativelegs.NavigationDirection;
 import org.opentripplanner.transit.model.framework.FeedScopedId;
 import org.opentripplanner.transit.service.DefaultTransitService;
 
@@ -52,7 +52,7 @@ void testPreviousLegs() {
       originalLeg,
       3,
       transitService,
-      SearchTime.BEFORE,
+      NavigationDirection.PREVIOUS,
       AlternativeLegsFilter.NO_FILTER
     );
 
@@ -86,7 +86,7 @@ void testNextLegs() {
       originalLeg,
       3,
       transitService,
-      SearchTime.AFTER,
+      NavigationDirection.NEXT,
       AlternativeLegsFilter.NO_FILTER
     );
 
@@ -120,7 +120,7 @@ void testCircularRoutes() {
       originalLeg,
       2,
       transitService,
-      SearchTime.AFTER,
+      NavigationDirection.NEXT,
       AlternativeLegsFilter.NO_FILTER
     );
 
@@ -148,7 +148,7 @@ void testComplexCircularRoutes() {
       originalLeg,
       2,
       transitService,
-      SearchTime.AFTER,
+      NavigationDirection.NEXT,
       AlternativeLegsFilter.NO_FILTER
     );
     var legs = toString(alternativeLegs);