Justification for Speedcam and ECM towards
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Police began posting speed cameras in Rockville in March, 2007. The department claims the cameras are a success. "Since the program started, we've seen a decrease in violator speeds, we've seen a decrease in the percent of violations, and a decrease in the number of accidents," said Rockville Police Capt. Bob Rappoport. The new camera locations are based on speed studies and neighborhood complaints.
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Lets the journey begin...
I'd like to state that I have personally been involved with covert studies of red light runners for the
Insurance Institute for Highway Safety (IIHS) circa 1994-5.
A bit of history...
As all (or many) of us know, DC implemented their red light cams (and I think VA shortly after?) when it was still illegal under MD law. After awhile, it came up in The MD House and was argued over the implementation (e.g. threshold, zones, etc). Reference
http://www.washingtonpost.com/wp-dyn/content/story/2008/03/21/ST2008032100361.html
Traffic Related:
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Maryland Laws & regulations summary:
http://www.iihs.org/laws/StateLaws.aspx?StateAbbr=MD
Direct link to 'Automated enforcement laws' as posted by the IHHS for ALL states
http://www.iihs.org/laws/automated_enforcement.aspx
Thoughts...
For one, where are these statistics coming from? I know from driving that people right away notice the cams and slow down just before them and speed up upon passing them. That could be a statistic according to the statement commented above.
Second, I don't know if this is just a coincidence or not but they lowered the speed limit from 40mph to 35mph right before the cameras went up on Democracy Blvd. This may or may not have to do with their traffic survey or was to meet the criteria of having 35mph limit in a school zone to meet it. My memory is a little fuzzy but I think I recall one of the conditions was such that it had to be 35mph. The House was very divided on the issue.
Third, I can see in some cases, accidents could occur because of these cameras. I've witnessed some pretty dicey behavior around these cams. Sometimes people forget about them, and shortly thereafter remember, then hitting the breaks and other such actions. These could cause erratic traffic patterns.
ECM:
With GPS technology becoming commonplace in most cars, it's become easily possible to grab the list of traps, red light cams, etc. and have them warn you at a set distance ahead of time. This is nothing new but it's becoming easier and easier to have "other" eyes watching out for you. Anything from real-time accidents re-routes .. you name it.
It's the way of the world. Someone comes out with a technology and there's always someone who will reverse engineer it.
Jay
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Corrections and comments always welcome.