Last viewed - Very cool leaning davit poles on I-15

File information
Filename:	P4290004.JPG
Album name:	Silverliner14B / other california street lights
Keywords:	American_Streetlights
Company and Date Manufactured:	GE
Model Number:	GE M-400A3 (front), GE M-1000 (rear)
Wattage:	310w (front), 700w (rear)
Lamp Type:	HPS (front), Mercury Vapor (rear)
Filesize:	222 KiB
Date added:	Jul 06, 2010
Dimensions:	2048 x 1536 pixels
Displayed:	200 times
Color Space:	sRGB
Contrast:	0
DateTime Original:	2003:04:29 16:16:30
Exposure Bias:	0 EV
Exposure Mode:	0
Exposure Program:	Program Creative
Exposure Time:	1/650 sec
FNumber:	f/4
Flash:	No Flash
Focal length:	12.7 mm
ISO:	64
Light Source:	Unknown: 0
Make:	Olympus Optical Co.,ltd
Max Aperture:	f/3.2
Model:	C730UZ
URL:	http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=2535
Favorites:	Add to Favorites

Comment 1 to 14 of 14

Page: 1

Form109

[Jul 06, 2010 at 07:33 AM]

The Poles Intentionally Lean like that?...are they Designed like this?

Silverliner14B

[Jul 06, 2010 at 07:35 AM]

Yep designed purposely that way for aesthetics. They are still installing new ones on this freeway in reconstruction projects.

Tmcdllr

[Jul 06, 2010 at 06:48 PM]

I've seen poles like that and they always make me nervous!

Silverliner14B

[Jul 07, 2010 at 01:58 AM]

Tmcdllr: Are you referring to the ones on CA 237 in Milpitas? There is a stretch of them through the city.

Update everybody: I found that this interchange photographed above was completed and opened to the public in May 1978. All the leaning davit poles installed during '77-'79 originally had mercs.

Form109

[Jan 15, 2011 at 02:12 AM]

i notice you put 310W HPS for the M400A3....i've heard they only use 310 Watts in Chicago and CA,how difficult would it be for a collector to come across such a lamp?

Silverliner14B

[Jan 15, 2011 at 07:11 AM]

I have a 310w HPS lamp its a Sylvania. Other places that use 310w lights are Washington State and Arizona.

Form109

[Jan 15, 2011 at 08:04 AM]

but who makes 310 Watt HPS Lamps....and why the odd wattage?...why can't they just use 250 or 400.

Silverliner14B

[Jun 18, 2013 at 02:19 AM]

UPDATE: sadly the M-1000 is no more. it fell victim to a knockdown. a new leaning davit pole with an ael 325 lies in its place. theres still one M1000 left at this interchange down this ramp.

joe_347V

[Jun 18, 2013 at 02:30 AM]

Too bad it's gone. But I like how they used a matching pole though.

Tmcdllr

[Jun 18, 2013 at 09:18 PM]

Just drove I-5 through Oregon and there are many M1000's still in use converted to 310HPS.

streetlight98

[Jun 18, 2013 at 10:13 PM]

were the glare shields added to these lights and the OV-20s in other pics or were the lights installed with them?

joe_347V

[Jun 19, 2013 at 06:33 PM]

Good question, I know with the later lights like the shaded OV-25s here they seem to have been riveted on but I'm really sure about the OV-20s.

streetlight98

[Jun 19, 2013 at 07:18 PM]

BTW, Devonte, the reason for 310W HPS lamps is that they're designed soley to replace 700W MV lamps on a lumens basis (they have comparable lumen ratings)

joe_347V

[Jun 19, 2013 at 08:00 PM]

Interesting, I guess it's the same reason why they have a 200w HPS then.

Comment 1 to 14 of 14

Page: 1

Gallery of Lights

Very cool leaning davit poles on I-15

I-15 in San Diego County is full of these light poles. Most have either LPS or HPS full cutoffs. However look at the second pole in this pic, it still has its original GE M-1000 700w merc light from '77.