diff --git a/selfdrive/ui/ui.cc b/selfdrive/ui/ui.cc
index 6697773..e30799c 100644
--- a/selfdrive/ui/ui.cc
+++ b/selfdrive/ui/ui.cc
@@ -90,7 +90,8 @@ void update_model(UIState *s,
   if (plan_position.getX().size() < model.getPosition().getX().size()) {
     plan_position = model.getPosition();
   }
-  float max_distance = std::clamp(*(plan_position.getX().end() - 1),
+  float max_distance = scene.unlimited_road_ui_length ? *(plan_position.getX().end() - 1) :
+                       std::clamp(*(plan_position.getX().end() - 1),
                                   MIN_DRAW_DISTANCE, MAX_DRAW_DISTANCE);
 
   // update lane lines
@@ -390,6 +391,7 @@ void ui_update_frogpilot_params(UIState *s) {
   scene.path_edge_width = params.getInt("PathEdgeWidth");
   scene.path_width = params.getInt("PathWidth") / 10.0f * (scene.is_metric ? 1.0f : FOOT_TO_METER) / 2.0f;
   scene.road_edge_width = params.getInt("RoadEdgesWidth") * (scene.is_metric ? 1.0f : INCH_TO_CM) / 200.0f;
+  scene.unlimited_road_ui_length = scene.model_ui && params.getBool("UnlimitedLength");
 
   bool quality_of_life_controls = params.getBool("QOLControls");
   scene.reverse_cruise = quality_of_life_controls && params.getBool("ReverseCruise");
diff --git a/selfdrive/ui/ui.h b/selfdrive/ui/ui.h
index 9f11e6e..03f9a6d 100644
--- a/selfdrive/ui/ui.h
+++ b/selfdrive/ui/ui.h
@@ -249,6 +249,7 @@ typedef struct UIScene {
   bool traffic_mode_active;
   bool turn_signal_left;
   bool turn_signal_right;
+  bool unlimited_road_ui_length;
   bool use_kaofui_icons;
   bool use_si;
   bool use_vienna_slc_sign;