"Steven P. McNicoll" wrote
"BUFDRVR" wrote in message

I believe *all* Military training Routes (often seen abreviated as
MTR) are waived for operations exceeding 250 KIAS.


MTRs are established for the sole purpose of military training at airspeeds
greater than 250 KIAS.

They're also used for navigation training at airspeeds below 250 KIAS.