It's the seventh annual Planes,Trains and Automobiles (and Bikes) seminar series! This year's topic is the role of Social Media in Transportation—Can We “Tweet” Ourselves to Better Mobility? Here is the lineup of guests:

Wed, Sept 13: Meghan Verena Joyce, Regional General Manager for Uber East Coast

Wed, Sept 20: David Block-Schachter, CIO of the MBTA

Wed, Oct 4: Jake Sion, COO of TransitApp

Wed, Oct 11: Susan Bregman, Principal and Founder, Oak Square Resources, LLC, and co-editor of Best Practices for Transportation Agency Use of Social Media (2013)

Thurs, Oct 19: Avi Bar, head of public policy for Waze

All sessions are held from 4:30 to 6:00pm in Taubman 301 in the Harvard Kennedy School complex. For more information, click here.