1.24 Sexual Activity
Employees while on duty or off duty, are prohibited from engaging in any form of sexual activity while on Hampton Roads Transit property. The term "sexual activity" applies to petting, kissing, caressing, or other armorous activities in accordance with HRT Sexual Harassment Policy
I can hear you now, "what if she says it's OK? What if we're already married?" It's still inappropriate and would convey the wrong image to someone not familiar with the people involved.
More information can be found in HR-103 Hostile Work Environment Policy.