May 29 (Reuters) - Canadian National Railway Co CNR.TO
* Cn and tcrc-cty reach tentative agreement on new labour contract for conductors in canada
* Canadian national railway co- reached atentative agreement to renew labour contract for about 3,000 cn conductors, yard operations employees in canada
* Details of agreement withheld pending ratification by tcrc members, process expected to take about 60 days Source text for Eikon: ID:nPn4Lm0lha Further company coverage: CNR.TO