diff --git a/modules/actions/reverse.js b/modules/actions/reverse.js
index bb9703692..3fc799101 100644
--- a/modules/actions/reverse.js
+++ b/modules/actions/reverse.js
@@ -22,6 +22,10 @@ export function actionReverse(entityID, options) {
     var numeric = /^([+\-]?)(?=[\d.])/;
     var directionKey = /direction$/;
     var turn_lanes = /^turn:lanes:?/;
+    const keysToKeepUnchanged = [
+        // https://github.com/openstreetmap/iD/issues/10736
+        /^red_turn:(right|left)/
+    ];
     var keyReplacements = [
         [/:right$/, ':left'],
         [/:left$/, ':right'],
@@ -82,6 +86,9 @@ export function actionReverse(entityID, options) {
 
 
     function reverseKey(key) {
+        if (keysToKeepUnchanged.some(keyRegex => keyRegex.test(key))) {
+            return key;
+        }
         for (var i = 0; i < keyReplacements.length; ++i) {
             var replacement = keyReplacements[i];
             if (replacement[0].test(key)) {
diff --git a/test/spec/actions/reverse.js b/test/spec/actions/reverse.js
index 7507a8f11..3e0be2244 100644
--- a/test/spec/actions/reverse.js
+++ b/test/spec/actions/reverse.js
@@ -646,5 +646,22 @@ describe('iD.actionReverse', function () {
             expect(target.tags.direction).to.eql('backward');
             expect(target.tags.side).to.eql('right');
         });
+
+        it('preserves the direction of a red turn at a traffic signal', function () {
+            var node1 = iD.osmNode();
+            var node2 = iD.osmNode({tags: {
+                'highway': 'traffic_signals',
+                'traffic_signals:direction': 'forward',
+                'red_turn:right': 'no',
+                'red_turn:right:bicycle': 'yes'
+            }});
+            var node3 = iD.osmNode();
+            var way = iD.osmWay({nodes: [node1.id, node2.id, node3.id]});
+            var graph = iD.actionReverse(way.id)(iD.coreGraph([node1, node2, node3, way]));
+            var target = graph.entity(node2.id);
+            expect(target.tags['traffic_signals:direction']).to.eql('backward');
+            expect(target.tags['red_turn:right']).to.eql('no');
+            expect(target.tags['red_turn:right:bicycle']).to.eql('yes');
+        });
     });
 });