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A comment on The time is right to re-examine the L.A. freeway. Parent comment

Re:The time is right to re-examine the L.A. freeway by calbear81 on Friday August 21, 2015 @05:21PM (#10100334)
They're pretty big, like the size of two credit cards side by side and 1/2" thick. It does make a beeping noise when it registers so that's probably why it's not just a card.
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