An Event data recorders (EDR, or black box) is an electronic sensor that records specific characteristics of an automobile moments before and during a collision. As of 2014, they can be found on 90% of all new cars and light trucks. For those with EDR installed, NHTSA requires a minimum of 15 data points to be recorded by all EDR (including speed, steering, braking, acceleration, seatbelt use, and force of impact (of a crash) and whether airbags deployed),
Device Type: Automobile
Toll passes
These devices are active RFID transponders and primarily designed to record a vehicle’s travel time between locations. In some cities, the devices are also used to collect position data for traffic management purposes, as well as to pay for parking. The amount of information collected, and the duration the information is retained by the toll collection systems is not disclosed publicly.
- Examples: E-ZPass, Quick Pass, I-Pass, I-Zoom, TransPass, MTag
- Technologies: RFID
- More information: See https://en.wikipedia.org/wiki/Electronic_toll_collection and https://www.aclu.org/blog/free-future/newly-obtained-records-reveal-extensive-monitoring-e-zpass-tags-throughout-new-york,
In-car cameras
In-car cameras (aka dash cams) are small cameras mounted in the front or back of a vehicle in order to record high definition video and sometimes audio information. They can record day or night driving, and reasonably quality ones cost less than $100. If professionally installed, in-car cameras are powered from the car battery and able to record even with the car turned off. In addition, some units are equipped with special sensors that will activate the camera when a sudden movement is detected (either from a crash,
