North facing train loading pumps (a pump with a pipe or tank attached) will create a weird shadow over the tracks
Issue does not happen on other orientations of the pump, on unloading pumps, or without a pipe entity attached.
Screenshot:
http://i.imgur.com/NrTL5TL.png

BP String:
0eNqNk2FvgyAQhv/LfcbGUnXWv9IsDW0v7jJFArjUGP77gGab2VzlEznI89wLOWa4dCMqTdJCMwNdB2mgOc1gqJWiC3t2UggNkMUeGEjRh0oL6sAxIHnDOzR7xzYRYwctWsyskO8LlLtXBigtWcJH61hMZzn2F9TevTD4tu2bzWJ3BmownhpkaOlNGWcwhcXLb6Tx+jjjIdsvJ0915snKQ6oyPWWRqiySleW3Uo29WnnDfFdGWe5W6GqD3j+DXzbgwzO4Xh+jv/m/IvBduf0ax59I5Cf23/v41YUxjQPdLL4Mgw/UJgJVUfCyqo95XTv3Cf0AF7I=