The RTA Tie Grading Guide offers detailed information and training on specifications, grades and limiting defects for preservative treated wood rail ties.

What’s New

Version 1.0.3

Minor bug fixes

App Privacy

The developer, Western Wood Preservers Institute, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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