diff --git a/routing/dummy_world_graph.hpp b/routing/dummy_world_graph.hpp
new file mode 100644
index 0000000000..8da0e0c9f5
--- /dev/null
+++ b/routing/dummy_world_graph.hpp
@@ -0,0 +1,118 @@
+#pragma once
+
+#include "routing/latlon_with_altitude.hpp"
+#include "routing/world_graph.hpp"
+
+#include "geometry/latlon.hpp"
+
+#include "base/assert.hpp"
+
+#include <functional>
+#include <map>
+#include <memory>
+#include <vector>
+
+namespace routing
+{
+// This is dummy class inherited from WorldGraph. Some of its overridden methods should never be
+// called. This class is used in RegionsRouter as a lightweight replacement of
+// SingleVehicleWorldGraph.
+class DummyWorldGraph final : public WorldGraph
+{
+public:
+  using WorldGraph::GetEdgeList;
+
+  void GetEdgeList(astar::VertexData<Segment, RouteWeight> const & vertexData, bool isOutgoing,
+                   bool useRoutingOptions, bool useAccessConditional,
+                   std::vector<SegmentEdge> & edges) override
+  {
+    UNREACHABLE();
+  }
+
+  void GetEdgeList(astar::VertexData<JointSegment, RouteWeight> const & vertexData,
+                   Segment const & segment, bool isOutgoing, bool useAccessConditional,
+                   std::vector<JointEdge> & edges,
+                   std::vector<RouteWeight> & parentWeights) override
+  {
+    UNREACHABLE();
+  }
+
+  bool CheckLength(RouteWeight const & weight, double startToFinishDistanceM) const override
+  {
+    return true;
+  }
+
+  LatLonWithAltitude const & GetJunction(Segment const & segment, bool front) override
+  {
+    UNREACHABLE();
+  }
+
+  ms::LatLon const & GetPoint(Segment const & segment, bool front) override
+  {
+    UNREACHABLE();
+  }
+
+  bool IsOneWay(NumMwmId mwmId, uint32_t featureId) override
+  {
+    UNREACHABLE();
+  }
+
+  bool IsPassThroughAllowed(NumMwmId mwmId, uint32_t featureId) override
+  {
+    UNREACHABLE();
+  }
+
+  void ClearCachedGraphs() override { UNREACHABLE(); }
+
+  void SetMode(WorldGraphMode mode) override {}
+
+  WorldGraphMode GetMode() const override { return WorldGraphMode::NoLeaps; }
+
+  RouteWeight HeuristicCostEstimate(ms::LatLon const & from, ms::LatLon const & to) override
+  {
+    return RouteWeight();
+  }
+
+  RouteWeight CalcSegmentWeight(Segment const & segment, EdgeEstimator::Purpose purpose) override
+  {
+    UNREACHABLE();
+  }
+
+  RouteWeight CalcLeapWeight(ms::LatLon const & from, ms::LatLon const & to) const override
+  {
+    UNREACHABLE();
+  }
+
+  RouteWeight CalcOffroadWeight(ms::LatLon const & from, ms::LatLon const & to,
+                                EdgeEstimator::Purpose purpose) const override
+  {
+    return RouteWeight();
+  }
+
+  double CalculateETA(Segment const & from, Segment const & to) override
+  {
+    UNREACHABLE();
+  }
+
+  double CalculateETAWithoutPenalty(Segment const & segment) override
+  {
+    UNREACHABLE();
+  }
+
+  std::unique_ptr<TransitInfo> GetTransitInfo(Segment const & segment) override
+  {
+    UNREACHABLE();
+  }
+
+  IndexGraph & GetIndexGraph(NumMwmId numMwmId) override
+  {
+    UNREACHABLE();
+  }
+
+  void GetTwinsInner(Segment const & segment, bool isOutgoing,
+                     std::vector<Segment> & twins) override
+  {
+    CHECK(false, ());
+  }
+};
+}  // namespace routing