Concrete ties

how about concrete ties with some sort of coating on the top, or top and sides to prevent water penetration? Like an asphalt. Cement highways covered with asphalt seem to last forever in Massachusetts

This is not a Metro North subject, MN has pretty much said no more concrete ties.
for idea's like this take it to appropriate forum.

Mod Note: This topic isn't going to become mass-roadway.net or how-to-overengineer-a-railroad-tie.edu, if need be I will move the what-it's into the general discussion thread as it spans more than just our little corner.

Apparently bankruptcy didn't put Rocla out of business, from what I can find on Google. http://roclatie.com/" onclick="window.open(this.href);return false;

Rocla did not go out of business but it did change ownership.