Route 209 is a peak hour route running Mondays-Fridays. In mornings the route runs from Lindfield to Milsons Point. 3 services every morning depart from East Lindfield. Most services in the afternoons continue to East Lindfield.
209 services are run by Willoughby services. Most services from Milsons Point are not wheelchair accessible. In contrast, most services from East Lindfield are wheelchair accessible.
It operates when the Route 207 to the city is not operating. Instead of going to the city, it terminates at Milsons Point. The 207 doesn't run in this time because of the freeway services to the city at this time.