Conferences dominate this week’s livable streets calendar, culminating in the Regional Plan Association’s annual assembly. Luminaries in tri-state transportation and planning, including four mayors, a congressman and top DOT officials from each state, gather on Friday to discuss the region’s future.

• Tuesday: A panel including Washington D.C. planning director Harriet Tregoning discusses how arts and culture affect urban livability and placemaking, and how to measure the connection. 6:30 p.m.
• Wednesday: DOT’s ongoing series of information sessions about its pedestrian plaza program hits the Bronx. 10:00 a.m.
• Also Wednesday: Second Avenue Sagas’ Ben Kabak interviews the MTA’s Michael Frumin about Bus Time and other transit information projects. 6:30 p.m.
• Thursday: Clean tech organization E3Think hosts another conference in its “Transportation Transformation” series, looking at everything from electric cars to bike-sharing, ferries, rickshaws and the use of information technologies. Sam Schwartz and Charles Komanoff will speak on Sam’s traffic plan. 7:30 a.m.
• Friday: The Regional Plan Association hosts its annual regional assembly. Guests include Mayor Michael Bloomberg, Congressman Earl Blumenauer, and the mayors of New Haven, Hoboken, and White Plains. 8:30 a.m.
• Also Friday: Dan Graham, an expert in transportation economics and statistics from London, gives a lecture on the economic benefits of transportation investment. 9:30 a.m.

Keep an eye on the calendar for updated listings. Got an event we should know about? Drop us a line.