Online includes: Real-Time stop predictions (Rail). Trip updates (Rail). Service Alerts with system-wide, all lines, per line, and per stop options (All Travel Modes). @Metra with the system-wide option (All Travel Modes). Vehicle locations with per line and per direction options (Rail). Metra On Facebook. The Signal with the system-wide option (Rail).
You can access any of these services from Stop Times, Route Map / Vehicle Locations, or the Online area.