show turn restriction editor also when there is only one _to_ way, fixes #9983

as there might exist turn restrictions with that way as _via_.

CHANGELOG.md

@@ -45,6 +45,7 @@ _Breaking developer changes, which may affect downstream projects or sites that
 #### :camera: Street-Level
 #### :white_check_mark: Validation
 #### :bug: Bugfixes
+* Show turn restriction editor also when there is only one possible "to" way, as there might exist restrictions with that way as _via_ ([#9983])
 #### :earth_asia: Localization
 #### :hourglass: Performance
 #### :mortar_board: Walkthrough / Help
@@ -52,6 +53,7 @@ _Breaking developer changes, which may affect downstream projects or sites that
 
 [#9424]: https://github.com/openstreetmap/iD/pull/9424
 [#9422]: https://github.com/openstreetmap/iD/issues/9422
+[#9983]: https://github.com/openstreetmap/iD/issues/9983
 
 
 # 2.27.3

modules/ui/fields/restrictions.js

@@ -53,9 +53,7 @@ export function uiFieldRestrictions(field, context) {
             _intersection.vertices.length &&           // has vertices
             _intersection.vertices                     // has the vertex that the user selected
                 .filter(function(vertex) { return vertex.id === _vertexID; }).length &&
-            _intersection.ways.length > 2 &&           // has more than 2 ways
-            _intersection.ways                         // has more than 1 TO way
-                .filter(function(way) { return way.__to; }).length > 1
+            _intersection.ways.length > 2              // has more than 2 ways
         );
 
         // Also hide in the case where