This bill is from the 43rd Parliament, 1st session, which ended in September 2020.
This bill, the first introduced in any session, is a formal tradition rather than proposed legislation. It doesn't actually have anything to do with railways.
Not a real bill (bills C-1 and S-1 are weird procedural relics), as of Dec. 5, 2019
(This bill did not become law.)
All sorts of information on this bill is available at LEGISinfo, an excellent resource from Parliament.
Bill numbers are reused for different bills each new session. Perhaps you were looking for one of these other S-1s: