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Lorien · 07-12-2009, 11:24 PM

I would reckon they are devices to track and monitor traffic. The same info that is beamed to GPS units in cars across the country. Senses traffic congestion and then relays that info to a central database.

07-12-2009, 11:24 PM	#10
Lorien Avalon Senior Member Join Date: Feb 2009 Location: Beyond the rim.... Posts: 412	Re: What are these sprouting up on Highways? I would reckon they are devices to track and monitor traffic. The same info that is beamed to GPS units in cars across the country. Senses traffic congestion and then relays that info to a central database.