By on January 4, 2019

public domain

We’ve told you before about the legal saga of Mats Järlström, a Swedish-born man living in the green and uber progressive state of Oregon. A few years ago, Järlström found himself in the crosshairs of the Oregon Board of Examiners for Engineering and Land Surveying after performing and submitting an analysis of his town’s traffic light timing — specifically, the duration of the amber light cycle.

What ensued was a constitutional legal battle over over the ability to refer to one’s self as an expert in the field of their expertise; in this case, engineering.

This all came about after Järlström’s wife received a red light camera ticket. (Read More…)

By on October 21, 2016

traffic gridlock

With the exceptions of a horrible wreck or having a child in the car that you aren’t particularly fond of, nothing drains the enjoyment out of a drive like being stuck in rush-hour traffic. Every second of idling, waiting, and creeping along city streets is another agonizing moment where you could be enjoying a backroad or at home eating dinner.

Thankfully, IEEE Spectrum reports that a team of researchers is working to solve this problem with traffic lights that know all and see all. (Read More…)

By on July 29, 2014

Screen Shot 2014-07-29 at 11.00.15 AM

In a few weeks, at WOOT (the USENIX Workshop on Offensive Technologies — an academic conference where security researchers demonstrate broken stuff), a team from the University of Michigan will be presenting a lovely paper, Green Lights Forever: Analyzing the Security of Traffic Infrastructure. It’s a short and fun read. In summary, it’s common for traffic light controllers to speak to each other over a 5.8GHz wireless channel (much like WiFi, but a dedicated frequency) with no cryptography, default usernames and passwords, and well-known and exploitable bugs. Oh boy. And what can we do with that?

(Read More…)

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