diff --git a/flow/core/kernel/vehicle/traci.py b/flow/core/kernel/vehicle/traci.py
index 39bfb35da..b6109187e 100644
--- a/flow/core/kernel/vehicle/traci.py
+++ b/flow/core/kernel/vehicle/traci.py
@@ -1097,7 +1097,7 @@ def set_color(self, veh_id, color):
         """
         r, g, b = color
         self.kernel_api.vehicle.setColor(
-            vehID=veh_id, color=(r, g, b, 255))
+            typeID=veh_id, color=(r, g, b, 255))
 
     def add(self, veh_id, type_id, edge, pos, lane, speed):
         """See parent class."""
diff --git a/flow/networks/traffic_light_grid.py b/flow/networks/traffic_light_grid.py
index 7fb9a7b2b..02bea798e 100644
--- a/flow/networks/traffic_light_grid.py
+++ b/flow/networks/traffic_light_grid.py
@@ -510,10 +510,10 @@ def new_con(side, from_id, to_id, lane, signal_group):
                 top_node_id = "{}_{}".format(i + 1, j)
 
                 conn = []
-                for lane in range(self.vertical_lanes):
+                for lane in range(self.horizontal_lanes):
                     conn += new_con("bot", node_id, right_node_id, lane, 1)
                     conn += new_con("top", right_node_id, node_id, lane, 1)
-                for lane in range(self.horizontal_lanes):
+                for lane in range(self.vectical_lanes):
                     conn += new_con("right", node_id, top_node_id, lane, 2)
                     conn += new_con("left", top_node_id, node_id, lane, 2)