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From: gpsman on 31 Mar 2010 20:57
On Mar 31, 12:09 pm, Brent <tetraethylleadREMOVET...(a)yahoo.com> wrote:
>
> To find the gaps in traffic or determine the flow the light needs to be
> tied into a sensor further back. You state the next intersection is
> uncontrolled so there's nothing pre-existing to tie into.

Non sequitur. A controlled intersection is not required for a traffic
sensor.

> Almost all of the left-turn-on-arrow-only lights in the chicago area are
> of the dumb variety.

<cough>

> Left turn on arrow only lights just need to go away in the VAST majority
> of cases.

I suspect you have encountered fewer than 1% of all signals with arrow
control.

> Just another dumbing down measure that makes things worse.

<cough>
-----

- gpsman
From: Brian on 4 Apr 2010 15:21
On 4/4/10 13:29, Andrew M. Saucci, Jr. wrote:
> I actually don't mind a red arrow most of the time. It takes the
> pressure off me to do something stupid because a line of cars is behind me
> waiting to make a turn. At 2 AM, though, waiting for such an arrow can be
> frustrating, but the intersection has to be designed for safety in peak
> traffic.

Hopefully more jurisdictions will embrace the flashing yellow arrow
display and will regard its adaptability (protected-only mode in peak
situations as mentioned above; protected-permissive or possibly even
permissive-only mode in off-peak situations).
From: CO on 5 Apr 2010 00:30
Since the USA is a lawsuit-happy society, I doubt if protected left
turn arrows will ever go away completely. The threat of someone
getting into a crash, then suing the city or jurisdiction is enough.
Other than the city of Tucson AZ, I can't think of any other
jurisdiction that avoids protected left arrows if they can.
From: CO on 5 Apr 2010 00:32
During peak hours of traffic, I believe it's better to have protected
left turns than not. In the middle of the night, not so much.
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