This is an alert system to prevent bike and pedestrian accidents on the williamsburg bridge

1. TurnBike
Alvaro Soto, Annmarie Kuo, Haeyoung Kim, Pritika Nilaratna
Interventions in Public Space

2. Problem
Williamsburg Bridge has clearly separated lanes for bike and
pedestrian traffic but people do not enter their designated lanes
which can result in pedestrian and bike accidents.

4. How can we address this problem ?

5. Elevator Pitch
TurnBike is a system that prevents bike and pedestrian
accidents by recognizing users, sending alert signal, and
guiding them to the appropriate paths.

6. project development
Analogy of highway
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7. How we started

8. What are the issues?
•The problem is not tackled effectively.
•Too much technology involved.
•Not friendly towards bikers or
pedestrians.
•The system does not deliver a clear
message for the users to follow.

9. Where we arrived
<Complex traffic light for cars, bicycles and buses,
Germany (Münster)>

10. The problem with existing signage

11. Bike/Pedestrian path entrance on
Willamsburg bridge (Manhattan side)
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12. Bike- Pedestrian path entrance on
Willamsburg bridge (Brooklyn side)

15. Implemented technology
Speed detector
Microcontroller Signal light
Metal detector
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16. Conclusion
• Identifying essential issue
• Building smart signage
• Efficient use of technology

17. Thank You