diff --git a/include/ppr/routing/directed_edge.h b/include/ppr/routing/directed_edge.h
index 23a7b35..8fab40f 100644
--- a/include/ppr/routing/directed_edge.h
+++ b/include/ppr/routing/directed_edge.h
@@ -2,6 +2,7 @@
 
 #include <optional>
 
+#include "ppr/common/enums.h"
 #include "ppr/common/routing_graph.h"
 #include "ppr/routing/costs.h"
 
@@ -44,6 +45,18 @@ struct directed_edge {
     }
   }
 
+  side_type side() const {
+    if (fwd_) {
+      return edge_->side_;
+    } else {
+      switch (edge_->side_) {
+        case side_type::LEFT: return side_type::RIGHT;
+        case side_type::RIGHT: return side_type::LEFT;
+        default: return edge_->side_;
+      }
+    }
+  }
+
   std::uint16_t level() const { return edge_info_->level_; }
 
   bool in_area() const { return edge_info_->area_; }
diff --git a/include/ppr/routing/labels_to_route.h b/include/ppr/routing/labels_to_route.h
index d3a0070..c295bac 100644
--- a/include/ppr/routing/labels_to_route.h
+++ b/include/ppr/routing/labels_to_route.h
@@ -34,7 +34,8 @@ route::edge to_route_edge(Label const* label, routing_graph_data const& rg) {
                   .stroller_ = ei->stroller_,
                   .step_count_ = ei->step_count_,
                   .marked_crossing_detour_ = ei->marked_crossing_detour_,
-                  .side_ = e->side_,
+                  .side_ = de.side(),
+                  .graph_side_ = e->side_,
                   .elevation_up_ = de.elevation_up(),
                   .elevation_down_ = de.elevation_down(),
                   .level_ = ei->level_,
diff --git a/include/ppr/routing/route.h b/include/ppr/routing/route.h
index 6db8d79..8058d61 100644
--- a/include/ppr/routing/route.h
+++ b/include/ppr/routing/route.h
@@ -35,6 +35,7 @@ struct route {
     std::uint8_t step_count_{0};
     std::int32_t marked_crossing_detour_{0};
     side_type side_{side_type::CENTER};
+    side_type graph_side_{side_type::CENTER};
     elevation_diff_t elevation_up_{0};
     elevation_diff_t elevation_down_{0};
     std::int16_t level_{};
diff --git a/src/backend/output/route_response.cc b/src/backend/output/route_response.cc
index c567775..7f2f684 100644
--- a/src/backend/output/route_response.cc
+++ b/src/backend/output/route_response.cc
@@ -133,6 +133,9 @@ void write_edge(Writer& writer, route::edge const& e) {
   writer.String("side");
   writer.String(side_type_str(e.side_));
 
+  writer.String("graph_side");
+  writer.String(side_type_str(e.graph_side_));
+
   writer.String("osm_way_id");
   writer.Int64(e.osm_way_id_);