Responsive Roadways

1
Responsive Roadways

• Tiny, low cost, wireless sensors monitor traffic
  flow.
• Computers forecast traffic conditions in real
  time.
• Motorists can plan least-time routes on the web,
  and receive updates while driving.

2
Wireless Traffic Sensor

• Extremely Small
• Low Cost
• Easy to Install
• 10-year battery life
• Wireless data out

3
Sensate Roadbeds

• Small package to embed in roadbed
• Low power uP supervises
• (watch-crystal EM microelectronics device)
• Magnetic sensor, PVDF, H2O, temperature
• Faster uP handles communication
• Local Low Power RF link to offload data
• Lithium battery lasts 10 years (15 mA)
• 2.5 million to instrument city center...

Ara Knaian