diff --git a/autoware_launch/config/localization/ekf_localizer.param.yaml b/autoware_launch/config/localization/ekf_localizer.param.yaml
index 322325d239..4d3f5b9643 100644
--- a/autoware_launch/config/localization/ekf_localizer.param.yaml
+++ b/autoware_launch/config/localization/ekf_localizer.param.yaml
@@ -1,7 +1,7 @@
 /**:
   ros__parameters:
     show_debug_info: false
-    enable_yaw_bias_estimation: True
+    enable_yaw_bias_estimation: true
     predict_frequency: 50.0
     tf_rate: 50.0
     extend_state_step: 50
diff --git a/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/start_planner/start_planner.param.yaml b/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/start_planner/start_planner.param.yaml
index 60f2927440..bea78664c6 100644
--- a/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/start_planner/start_planner.param.yaml
+++ b/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/start_planner/start_planner.param.yaml
@@ -36,3 +36,39 @@
       th_turn_signal_on_lateral_offset: 1.0
       intersection_search_length: 30.0
       length_ratio_for_turn_signal_deactivation_near_intersection: 0.5
+      # freespace planner
+      freespace_planner:
+        enable_freespace_planner: true
+        end_pose_search_start_distance: 20.0
+        end_pose_search_end_distance: 30.0
+        end_pose_search_interval: 2.0
+        freespace_planner_algorithm: "astar"  # options: astar, rrtstar
+        velocity: 1.0
+        vehicle_shape_margin: 1.0
+        time_limit: 3000.0
+        minimum_turning_radius: 5.0
+        maximum_turning_radius: 5.0
+        turning_radius_size: 1
+        # search configs
+        search_configs:
+          theta_size: 144
+          angle_goal_range: 6.0
+          curve_weight: 1.2
+          reverse_weight: 1.0
+          lateral_goal_range: 0.5
+          longitudinal_goal_range: 2.0
+        # costmap configs
+        costmap_configs:
+          obstacle_threshold: 30
+        # -- A* search Configurations --
+        astar:
+          only_behind_solutions: false
+          use_back: false
+          distance_heuristic_weight: 1.0
+        # -- RRT* search Configurations --
+        rrtstar:
+          enable_update: true
+          use_informed_sampling: true
+          max_planning_time: 150.0
+          neighbor_radius: 8.0
+          margin: 1.0