Journal of Transportation Technologies

Vol.9 No.3(2019), Paper ID 92511, 11 pages

DOI:10.4236/jtts.2019.93017

 

2018 Railroad Tie Survey

 

Stephen T. Smith

 

Stephen Smith Consulting, Helena, MT, USA

 

Copyright © 2019 Stephen T. Smith et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

 

How to Cite this Article

Smith, S.T. (2019) 2018 Railroad Tie Survey. Journal of Transportation Technologies, 9, 276-286. doi: 10.4236/jtts.2019.93017.
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