diff --git a/test/unit/views/ItineraryPage/ItineraryPageUtils.test.js b/test/unit/views/ItineraryPage/ItineraryPageUtils.test.js
new file mode 100644
index 0000000000..35984b0146
--- /dev/null
+++ b/test/unit/views/ItineraryPage/ItineraryPageUtils.test.js
@@ -0,0 +1,143 @@
+import { isStoredItineraryRelevant } from '../../../../app/component/itinerary/ItineraryPageUtils';
+
+describe('itineraryPageUtils', () => {
+  describe('isStoredItineraryRelevant', () => {
+    const TIME = 12345;
+    const ARRIVE_BY = false;
+    const INDEX = '0';
+    const TEN_MINUTES_FROM_NOW = new Date(Date.now() + 600000).toISOString();
+
+    let mockStoredItinerary;
+    let mockMatch;
+
+    beforeEach(() => {
+      mockStoredItinerary = {
+        itinerary: {
+          end: TEN_MINUTES_FROM_NOW,
+        },
+        params: {
+          from: 'foo',
+          to: 'bar',
+          arriveBy: ARRIVE_BY,
+          time: TIME,
+          hash: INDEX,
+          secondHash: undefined,
+        },
+      };
+
+      mockMatch = {
+        params: { from: 'foo', to: 'bar', hash: INDEX, secondHash: undefined },
+        location: { query: { time: TIME, arriveBy: ARRIVE_BY } },
+      };
+    });
+
+    it('should return true for equal params', () => {
+      expect(
+        isStoredItineraryRelevant(mockStoredItinerary, mockMatch),
+      ).to.equal(true);
+    });
+
+    it('should return true if stored index matches secondHash', () => {
+      expect(
+        isStoredItineraryRelevant(mockStoredItinerary, {
+          ...mockMatch,
+          hash: 'other',
+          secondHash: INDEX,
+        }),
+      ).to.equal(true);
+    });
+
+    it('should return true if arriveBy is undefined for both', () => {
+      const itineraryWithoutArriveBy = { ...mockStoredItinerary };
+      const matchWithoutArriveBy = { ...mockMatch };
+      itineraryWithoutArriveBy.params.arriveBy = undefined;
+      matchWithoutArriveBy.location.query.arriveBy = undefined;
+
+      expect(
+        isStoredItineraryRelevant(
+          itineraryWithoutArriveBy,
+          matchWithoutArriveBy,
+        ),
+      ).to.equal(true);
+    });
+
+    it('should return false for past itinerary', () => {
+      const TEN_MINUTES_IN_THE_PAST = new Date(
+        Date.now() + 600000,
+      ).toISOString();
+
+      expect(
+        isStoredItineraryRelevant(
+          {
+            ...mockStoredItinerary,
+            itinerary: { end: TEN_MINUTES_IN_THE_PAST },
+          },
+          mockMatch,
+        ),
+      ).to.equal(true);
+    });
+
+    it('should return false on index and hash mismatch if secondHash is undefined', () => {
+      const matchWithDifferentHash = { ...mockMatch };
+      matchWithDifferentHash.params.hash = '999';
+      matchWithDifferentHash.params.secondHash = undefined;
+
+      expect(
+        isStoredItineraryRelevant(mockStoredItinerary, matchWithDifferentHash),
+      ).to.equal(false);
+    });
+
+    it('should return false on index and hash mismatch if hash and secondHash are undefined', () => {
+      const matchWithDifferentHash = { ...mockMatch };
+      matchWithDifferentHash.params.hash = undefined;
+      matchWithDifferentHash.params.secondHash = undefined;
+
+      expect(
+        isStoredItineraryRelevant(mockStoredItinerary, matchWithDifferentHash),
+      ).to.equal(false);
+    });
+
+    it('should throw error if match is undefined', () => {
+      expect(() =>
+        isStoredItineraryRelevant(mockStoredItinerary, undefined),
+      ).to.throw(Error);
+    });
+
+    it('should not throw error if stored itinerary is empty object', () => {
+      expect(() => isStoredItineraryRelevant({}, mockMatch)).to.not.throw(
+        Error,
+      );
+      expect(isStoredItineraryRelevant({}, mockMatch)).to.equal(false);
+    });
+
+    it('should not throw error if stored itinerary is missing itinerary field', () => {
+      expect(() =>
+        isStoredItineraryRelevant(
+          { ...mockStoredItinerary, itinerary: undefined },
+          mockMatch,
+        ),
+      ).to.not.throw(Error);
+      expect(
+        isStoredItineraryRelevant(
+          { ...mockStoredItinerary, itinerary: undefined },
+          mockMatch,
+        ),
+      ).to.equal(false);
+    });
+
+    it('should not throw error if stored itinerary is missing itinerary field', () => {
+      expect(() =>
+        isStoredItineraryRelevant(
+          { ...mockStoredItinerary, params: undefined },
+          mockMatch,
+        ),
+      ).to.not.throw(Error);
+      expect(
+        isStoredItineraryRelevant(
+          { ...mockStoredItinerary, params: undefined },
+          mockMatch,
+        ),
+      ).to.equal(false);
+    });
+  });
+});