diff --git a/notebooks/Ranch-Demo.ipynb b/notebooks/Ranch-Demo.ipynb
index 4df85e4..45088ba 100644
--- a/notebooks/Ranch-Demo.ipynb
+++ b/notebooks/Ranch-Demo.ipynb
@@ -171,10 +171,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 1,
    "id": "186f2501",
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "ename": "NameError",
+     "evalue": "name 'external_dir' is not defined",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[1;31mNameError\u001b[0m                                 Traceback (most recent call last)",
+      "\u001b[1;32mC:\\Users\\LOCAL_~1\\Temp/ipykernel_26752/3410258116.py\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m      2\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      3\u001b[0m input_polygon_file = os.path.join(\n\u001b[1;32m----> 4\u001b[1;33m     \u001b[0mexternal_dir\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m      5\u001b[0m     \u001b[1;34m\"sharedstreets_extract\"\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      6\u001b[0m     \u001b[1;34m\"merced.shp\"\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
+      "\u001b[1;31mNameError\u001b[0m: name 'external_dir' is not defined"
+     ]
+    }
+   ],
    "source": [
     "# the polygon file for the area\n",
     "\n",
@@ -1004,7 +1016,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3.7.10 64-bit ('env_tm2')",
    "language": "python",
    "name": "python3"
   },
@@ -1019,6 +1031,11 @@
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
    "version": "3.7.10"
+  },
+  "vscode": {
+   "interpreter": {
+    "hash": "9f2482f23d4c236f44d514af3ad984f5be74b05148b9f5e6233ac2798070880b"
+   }
   }
  },
  "nbformat": 4,
diff --git a/ranch/roadway.py b/ranch/roadway.py
index 1426fd4..f143643 100644
--- a/ranch/roadway.py
+++ b/ranch/roadway.py
@@ -1015,6 +1015,19 @@ def build_centroid_connectors(
                     "Missing taz node file, will use input taz polygon centroid"
                 )
 
+                if "county_gdf" not in self.__dict__.keys():
+                    print('counhty not initialised')
+                    self.county_gdf = gpd.read_file(r"\\corp.pbwan.net\us\CentralData\DCCLDA00\Standard\sag\projects\MTC\31000152\Network_Rebuild\LP_Local_folders\data\external\county_boundaries\county.shp")
+                    self.county_variable_name = "NAME"
+
+
+                taz_polygon_gdf = gpd.sjoin(
+                    taz_polygon_gdf,
+                    self.county_gdf[['geometry', self.county_variable_name]],
+                    how = 'left',
+                    predicate = 'intersects'
+                )
+
                 if "county" not in taz_polygon_gdf.columns:
                     taz_polygon_gdf = gpd.sjoin(
                         taz_polygon_gdf,
@@ -1101,7 +1114,7 @@ def build_centroid_connectors(
                     "Missing maz node file, will use input maz polygon centroid"
                 )
 
-                maz_node_gdf = maz_polygon_gdf["geometry"].representative_centroids()
+                maz_node_gdf = maz_polygon_gdf["geometry"].centroid
 
             # convert to lat-long
             maz_polygon_gdf = maz_polygon_gdf.to_crs(self.parameters.standard_crs)
@@ -1152,7 +1165,8 @@ def build_taz_drive_connector(
         # geometries (not reference) - good intersections
 
         taz_good_intersection_df = Roadway.get_nodes_in_zones(
-            node_two_geometry_df, taz_polygon_df
+            node_two_geometry_df.drop(columns=["index_left", "index_right"], errors="ignore"), 
+            taz_polygon_df.drop(columns=["index_left", "index_right"], errors="ignore")
         )
 
         # step 3
@@ -1419,6 +1433,10 @@ def get_nodes_in_zones(nodes_gdf, zones_gdf):
             nodes_gdf: nodes geo data frame, points
             zones_gdf: zones geo data frame, polygons
         """
+
+        nodes_gdf = nodes_gdf.drop(columns=["index_left", "index_right"], errors="ignore") 
+        zones_gdf = zones_gdf.drop(columns=["index_left", "index_right"], errors="ignore")
+
         polygon_buffer_gdf = zones_gdf.copy()
 
         polygon_buffer_gdf["geometry_buffer"] = polygon_buffer_gdf["geometry"].apply(
diff --git a/ranch/utils.py b/ranch/utils.py
index 068afec..2972af3 100644
--- a/ranch/utils.py
+++ b/ranch/utils.py
@@ -385,6 +385,9 @@ def generate_centroid_connectors_shape(zone_loading_node_df):
         columns={"osm_node_id": "u", "model_node_id_x": "A", "model_node_id_y": "B"}
     )
 
+    if ("A" not in new_cc_gdf.columns ) and ("B" not in new_cc_gdf.columns):
+        new_cc_gdf = new_cc_gdf.rename(columns={"X": "A", "Y": "B"})
+
     new_cc_gdf = new_cc_gdf[
         ["A", "B", "u", "fromIntersectionId", "shstGeometryId", "id", "geometry"]
     ]
@@ -680,7 +683,7 @@ def get_non_near_connectors(all_cc_link_gdf, num_connectors_per_centroid, zone_i
         centroid = zone_cc_gdf.c_point.iloc[0]
 
         # if the zone has less than 4 cc, keep all
-        if len(zone_cc_gdf) <= num_connectors_per_centroid:
+        if len(zone_cc_gdf) <= 4:
             keep_cc_gdf = keep_cc_gdf.append(zone_cc_gdf, sort=False, ignore_index=True)
 
         # if the zone has more than 4 cc
diff --git a/requirements.txt b/requirements.txt
index 2dc2366..e73fe59 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 lark-parser
 jupyter
+pywin32 == 306
 notebook
 numpy
 pandas > 1.0