Free images results:
 

Railroad pictures, stock photos and images

 
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Railroad Stock Photography
Author: Rbouwman
Track Royalty Free Stock Image
Author: Ichtor
Locomotive Royalty Free Stock Photo
Author: Jolin
Train Stock Photography
Author: Andyb1126
 
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Also, here are some commercial RF-licensed images that match your search criteria:  
Railroad Royalty Free Stock Images
Author: Aniuszka