The page lists phone numbers, wait strategy and Twitter and Facebook contacts
In order to speak to a live person in Greyhound customer service, you need to dial 1-877-943-3530. For contact with a live agent, you need to stay on the line.
Greyhound Customer Service Options
Greyhound Phone Customer Service
Normally, you do not blindly believe a sat navigation sending you to that pond ahead at the end of the road. Similarly, tracking systems of public transportation have mostly supplemental value. From people who understand them more in depth I know that many scenarios of incorrect indication can happen:
the vehicle broke and but it remains assigned (logged in)...