Classic Red Route:
First Bus: 09:30 from Stop #1 (Tour Eiffel).
Last Full Tour: 17:40 at Stop #1 (Tour Eiffel).
Last Bus: 19:55 at Stop #1 (Tour Eiffel). Tour concludes at Stop #4 (Louvre-Pyramide/Big Bus Information Centre) at 20:45.
Full Circuit Time: 2 hours, 20 minutes (approx.)
Bus Frequency: every 10-15 minutes.

Montemartre Blue Route:
First Bus: 09:30 from Stop #4 (Louvre-Pyramide/Big Bus Information Centre)
Last Full Tour: 18:40 at Stop #4 (Louvre-Pyramide/Big Bus Information Centre).
Last Bus: 18:40 at Stop #4 (Louvre-Pyramide/Big Bus Information Centre
Full Circuit Time: 1 hour, 10 minutes (approx.)
Bus Frequency: every 30 minutes.