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Bike Hack Night is a show & tell of bicycle-related apps, data visualizations, and gadgets. We are thrilled to be holding this event in conjunction with TRB (, the annual conference put on by the Transportation Research Board ( of the National Academies (

We'll be in room 102A at the Washington Convention Center ( The room is near 7th & L; enter via the south side of L St or use the main entrance at Mt Vernon Pl (see floorplans (

Doors open at 6:00. Speakers begin at 6:30. Due to high demand, and given a historic ratio of no-shows, our RSVP ceiling is higher than the room's capacity of 130. This means the room could be full before everyone arrives. Thus, an RSVP does not guarantee a seat.

• Tom Lee ( will show how he collected bike safety data using ultrasonic sensors, ESP8266 wifi microcontrollers and smartphones.

• Arlene Ducao will show how the MindRider ( biosensor tracks cyclists and share dataviz from its users.

• Fraser Mclaughlin ( will talk about bicycle traffic patterns in Arlington by using clustering analysis on Eco-Counter ( data.

• Timo Hoffmann ( and Justin Eichel ( from Miovision ( will show how they use computer vision and deep learning to turn videos of bike traffic into count and other data.

• Andrew Lovett-Barron ( will talk about how he designed and built Pedal Pedal Club (

• Drew Dara-Abrams ( will give an overview of the bike routing capabilities in Mapzen ('s Valhalla.

• Stuart Lynn will show how Carto ( is used to visualize bike sharing networks and interpret bike traffic patterns.

Many thanks to Mobility Lab ( for sponsoring us!

See what happened at Bike Hack Night VI ( From routes to reality: Improving biking data with better context (, and WABA designing a regional bike lane map to inform a more equitable network (

Our hashtag is #bikehacknight ( Follow @techiesdc ( for "Transportation Techies" updates.