Sept 8 (Reuters) - Norfolk Southern's ( NSC ) board is

examining allegations that CEO Alan Shaw engaged in an

inappropriate workplace relationship, CNBC reported on Sunday

citing three people familiar with the matter.

Norfolk Southern ( NSC ) did not immediately respond to a Reuters'

request for comment.

The probe is in its early stages, and it is possible that no

misconduct may be uncovered, the report said, adding that the

company is working with outside legal advisers on the probe.