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Double Armed Lights Here are some poles with two arms in each direction! Each light is 250 wall HPS. Keywords: American_Streetlights

Double Armed Lights

Here are some poles with two arms in each direction! Each light is 250 wall HPS.

IMG_0074.JPG IMG_1471.JPG IMG_1348.JPG IMG_1389.JPG IMG_1470.JPG
File information
Filename:IMG_1348.JPG
Album name:gailgrove / Outdoor Lighting
Keywords:American_Streetlights
Filesize:99 KiB
Date added:Jul 05, 2011
Dimensions:1365 x 1024 pixels
Displayed:120 times
Color Space:sRGB
DateTime Original:2011:07:01 10:29:16
Exposure Bias:0 EV
Exposure Mode:0
Exposure Time:1/640 sec
FNumber:f/5
Flash:No Flash
Focal length:19.264 mm
ISO:80
Make:Canon
Max Aperture:f/5
Model:Canon PowerShot A580
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=7226
Favorites:Add to Favorites

Comment 1 to 11 of 11
Page: 1

joe_347V   [Jul 05, 2011 at 02:46 AM]
They're pretty odd lights, MTO only used them on the 401 near Oshawa. Never figured out why though.
gailgrove   [Jul 05, 2011 at 02:56 AM]
Yeah it's strange, wouldn't just putting up one arm with a 400 watt fixture make more sense? Unless they figured that having two fixture would mean if one went out the would act redundantly and light the road.
Form109   [Jul 05, 2011 at 05:14 AM]
In that instance Dual-Arctube Standby Lamps would be a better solution.
gailgrove   [Jul 05, 2011 at 01:10 PM]
Possibly, but they didn't exist when this was done.
streetlight98   [Jul 05, 2011 at 02:03 PM]
Maybe they shut off one of the lights on each side after a certain time when traffic is lower.
gailgrove   [Jul 05, 2011 at 02:06 PM]
I don't think so, it is possible but I've never heard of the MTO doing that.
streetlight98   [Jul 05, 2011 at 05:35 PM]
Maybe they used to and they don't now for some reason. Anywats, how old is this set up?
joe_347V   [Jul 05, 2011 at 10:24 PM]
Apparently MTO did switch the lumes separately at one point since there's a article titled "Dual-level lighting system performance Highway #401, Oshawa" in their library...too bad they didn't scan the full text in though.

Anyways this setup looks late 70s - 80s to me.
gailgrove   [Jul 06, 2011 at 08:11 PM]
Interesting, I would guess around the same time period too, I think the R37's are the original fixtures.
GullWhiz   [Jul 06, 2011 at 08:26 PM]
Joe, I want to see the article...
joe_347V   [Jul 06, 2011 at 09:37 PM]
I don't have the article with me...it's just a entry with the title on MTO's website. I think they haven't scanned in the article yet.

Comment 1 to 11 of 11
Page: 1
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