RTA Specifications and Visual Guide to Tie Defects 

Click Here for the RTA Tie Specification Booklet

Click Here for Bridge Timber Specifications

Click Here to order the pocket-sized RTA Tie Specification Booklet

The Visual Guide to Tie Defects is a visual supplement to the AREMA/RTA Tie Specifications booklet. This CD contains:

  • the full text of the Specifications for Timber Crossties, which can be printed from the CD
  • an introduction to tie grading
  • an interactive guide that describes defects, provides photos that serve as examples and explanations of each example 
  • a self-evaluation section with two tests that users can go through to test their knowledge of defects 
  • a simulation of a tie grading station, making decisions in 6 seconds while viewing both sides and both ends of a tie using a mirror
  • a glossary of technical terms and acronyms
Please visit our store or call 770.460.5553 if you are interested in ordering this CD