Regarding "Study slams traffic cameras" (front page, Feb. 12): In the early 1980s my family drove from Germany to Salzburg, Austria, where I was pleasantly surprised to see traffic signals flashing green twice at the end of their normal cycle before turning amber and then red. Drivers approaching a "stale" green were thus given additional warning that the signal was about to change to amber. A similar modification to our present system could, I presume, be done easily with the addition of an inexpensive chip. Lengthening the amber signal period as suggested would not solve anything, except to prolong the time available to "crash" the light.
Tom Durfee
Riverview
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