From the Versailles Grand Parc area, you want to go to Paris-St Michel but upon arriving at Versailles Chantier station, you notice that the RER C has a technical problem and a significant delay is expected (traffic resumption time not estimated).
You arrive at the stop and do not know when your connection will leave (only the theoretical timetable is available)
You are waiting for the bus, there is no one else with you at the stop and you encounter difficulties or problems (with the ticket office, the information available at the stop, etc.).
An aggressive person is waiting at the stop and there is no one providing security.
You are waiting for the bus, it is dark or you are in an isolated area and there is no one other than yourself at the stop.
You want to go somewhere you've never been before. You want information on the best way to reach your destination (bus line number, connections, estimated travel time, etc.).
You have to go to the Saint-Michel district in Paris but bad weather impacts the operation of the RER C for several days.
You have to go to the Saint-Michel district in Paris but a strike notice impacting public transport is planned.
It rains/snows/freezes and you are afraid of slippery pavement
You want use the bus service to travel to a PT stop but the service is disrupted by a bus drivers’ strike.