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From: ChrisQ on 22 Nov 2009 18:13
JosephKK wrote:

>
> Could you interest a manufacturer in a larger roadway application
> device with array like 100 wide by 24 tall (primarily text)? Other
> constraints similar.

Do you have more details, quantity, delivery etc ?.

Take this to email if it's easier.

sysengatgfsysdotcodotuk...

Regards,

Chris
From: JosephKK on 24 Nov 2009 01:05
On Sun, 22 Nov 2009 23:13:34 +0000, ChrisQ <meru(a)devnull.com> wrote:

>JosephKK wrote:
>
>>
>> Could you interest a manufacturer in a larger roadway application
>> device with array like 100 wide by 24 tall (primarily text)? Other
>> constraints similar.
>
>Do you have more details, quantity, delivery etc ?.
>
>Take this to email if it's easier.
>
>sysengatgfsysdotcodotuk...
>
>Regards,
>
>Chris

Caltrans (California DOT) currently uses signs like this:

http://www.dot.ca.gov/hq/traffops/elecsys/reports/CMS_2009.pdf

They are looking into LED based signs.

They are also looking onto LED equivalents to their standard 200 W HPS
and 310 W HPS roadway luminaries.

This has the typical isofootcandle patterns:

http://www.dot.ca.gov/hq/esc/oe/project_plans/HTM/stdplns-US-customary-units-new06.htm#electrical

Joseph
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