Track Speed On Jointed Rail

With some recent track work, trains running on the CN Waterloo Sub in Aplington, Iowa can return to higher speeds, up to 50 mph. First catch of that is the L571 from January 8.
NS #9919 C44-9W
NS #4191 AC44C6M (Former C40-9W #8911)

[@TNS17]

Lovely sound

[@centraliowarailproductions2810]

Nice catch! I just subscribed

[@fallingup90]

Thanks!

[@centraliowarailproductions2810]

Your welcome @@fallingup90!

[@KansasTrainVideos]

Nice catch

[@fallingup90]

Thanks. NS day today

[@KansasTrainVideos]

@@fallingup90 yep