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Old Style Signal Poles Here's a older style of signal pole with the double guy style arms that's getting hard to find here. The MTO calls these [url=http://www.raqsa.mto.gov.on.ca/techpubs/opsa.nsf/2779a97e07154fa48525706100661bf5/e9827b02c3a314c08525706f00632693/$FILE/2500-02.pdf]"overbrace arms"[/url] but I think of them as double guy arms instead. There's also a [url=http://www.raqsa.mto.gov.on.ca/techpubs/opsa.nsf/2779a97e07154fa48525706100661bf5/247832d3eca8eeee8525706f006326b6/$FILE/2501-01.pdf]variant[/url] of these with a more angular mast but they're even harder to find than the curved ones. I'm not sure who made these particular arms but the design was also made by Powerlite along with other companies. The [url=http://www.galleryoflights.org/mb/gallery/displayimage.php?pos=-2320]single member arms[/url] replaced the old double guy design and is still in use. Keywords: Traffic_Lights

Old Style Signal Poles

Here's a older style of signal pole with the double guy style arms that's getting hard to find here. The MTO calls these "overbrace arms" but I think of them as double guy arms instead. There's also a variant of these with a more angular mast but they're even harder to find than the curved ones. I'm not sure who made these particular arms but the design was also made by Powerlite along with other companies.

The single member arms replaced the old double guy design and is still in use.

PC200091.JPG P9130808.JPG PA080023.JPG PA080011S.JPG P9110790.JPG
File information
Filename:PA080023.JPG
Album name:joe_347V / Signal Lights
Keywords:Traffic_Lights
Company and Date Manufactured:Possibly Powerlite Devices
Filesize:275 KiB
Date added:Oct 10, 2010
Dimensions:1600 x 1200 pixels
Displayed:306 times
Color Space:sRGB
Contrast:0
DateTime Original:2010:10:08 13:37:25
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:1/500 sec
FNumber:f/5.6
Flash:No Flash
Focal length:6.3 mm
ISO:100
Light Source:Unknown: 9
Make:Olympus Imaging Corp.
Max Aperture:f/3.6
Model:FE47,X43
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=3609
Favorites:Add to Favorites

Comment 1 to 14 of 14
Page: 1

GullWhiz   [Apr 09, 2011 at 04:37 PM]
NYC still installs double guy style as of today!!!!
Form109   [Apr 09, 2011 at 08:43 PM]
intreasting to know.
joe_347V   [Apr 09, 2011 at 10:51 PM]
^Interesting
GullWhiz   [Apr 09, 2011 at 10:58 PM]
It's the NYC style! I've seen new ones get put up!
joe_347V   [Apr 10, 2011 at 06:48 AM]
Cool, I haven't been to NYC but I've seen similar guyed traffic lights in a game that's modelled after NYC.
dbz77   [Apr 16, 2011 at 05:55 AM]
I never knew the double guy attachments were used outside the U.S.
gailgrove   [Jun 09, 2011 at 10:54 PM]
Well Canadian and American street lighting and traffic signalling set ups are very similar and quite often made by the same manufactures.
joe_347V   [Jun 10, 2011 at 04:57 AM]
Some interesting differences I noticed between Canadian and American signalling setups is that diagonal span wires are very rare in Canada and I haven't seen a fixed 4 way used in Canada...might have used them in the past though. and someone correct if I'm wrong but I believe the yellow backplates are only used in Canada. Razz
gailgrove   [Aug 04, 2011 at 02:34 PM]
Hey Jace I found out those guy wire pole in NYC are actually made by a Canadian company in Quebec!
joe_347V   [Aug 04, 2011 at 09:25 PM]
And these double guy arms were made by Powerlite!

MTO calls them overbrace signal arms for some reason.
Antstar85   [Aug 05, 2011 at 01:25 AM]
Very Cool Picture! I like the set up over the overhead lines while looking down the street.
joe_347V   [Aug 05, 2011 at 02:43 AM]
Thanks!
streetlight98   [Oct 17, 2011 at 02:42 AM]
We use diagonal span wires here all the time. The closest signal to me is like that.
joe_347V   [Oct 17, 2011 at 03:58 AM]
Diagonal spans are very rare here, we only use them for flasher beacons. We use box spans if the signals are wire hung but the most common mounts are mast arms.

Comment 1 to 14 of 14
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