Doesn't seem to recognize bridges - https://www.google.com/maps/dir/40.7104202,-73.9608626/40.7181556,-73.9867842/@40.714307,-73.9910309,14z/data=!3m1!4b1!4m4!4

Doesn't seem to recognize bridges - https://www.google.com/maps/dir/40.7104202,-73.9608626/40.7181556,-73.9867842/@40.714307,-73.9910309,14z/data=!3m1!4b1!4m4!4m3!1m0!1m0!3e1 https://www.google.com/maps/dir/40.7104202,-73.9608626/40.71... is considered "mostly flat".