diff --git a/env-data/railway/example_network_000.pkl b/env-data/railway/example_network_000.pkl
deleted file mode 100644
index 280688c2629331621ab2ea80b4b096226464e653..0000000000000000000000000000000000000000
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diff --git a/env-data/railway/example_network_001.pkl b/env-data/railway/example_network_001.pkl
deleted file mode 100644
index 801f95149dec6eb4d47fd14e36d30f2541480188..0000000000000000000000000000000000000000
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diff --git a/env-data/railway/example_network_002.pkl b/env-data/railway/example_network_002.pkl
deleted file mode 100644
index 898d54ebeb823e48790d4661ffe75a6940cd0712..0000000000000000000000000000000000000000
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diff --git a/examples/training_navigation.py b/examples/training_navigation.py
index 4c8f15f7f88b7400609c5b2f71e27cca176fbe85..b35c9cf772378d7f9be8995f401e5aab74ca7f6f 100644
--- a/examples/training_navigation.py
+++ b/examples/training_navigation.py
@@ -36,8 +36,8 @@ env = RailEnv(width=20,
 """
 env = RailEnv(width=15,
               height=15,
-              rail_generator=complex_rail_generator(nr_start_goal=6, nr_extra=30, min_dist=10, max_dist=99999, seed=0),
-              number_of_agents=3)
+              rail_generator=complex_rail_generator(nr_start_goal=10, nr_extra=10, min_dist=10, max_dist=99999, seed=0),
+              number_of_agents=10)
 
 """
 env = RailEnv(width=20,
@@ -145,7 +145,7 @@ for trials in range(1, n_trials + 1):
     for step in range(100):
         if demo:
             env_renderer.renderEnv(show=True)
-
+            time.sleep(0.1)
         # print(step)
         # Action
         for a in range(env.get_num_agents()):