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PHOTOS: SEPTA subway-surface diversion route

Posted by chuchubob on Wed Aug 7 15:27:53 2013

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Major subway-surface work in the tunnels has the 11, 13, 34, and 36 using the diversion trackage from Aug 3 through Aug 11. Photos from Tuesday.

turning from Filbert to 40th


turning from 38th to Filbert


38th Street crossing Chestnut


38th under Locust Walk


38th Street, from Locust Walk pedestrian overpass


turning from Spruce to 38th


40th and Spruce


turning from 42nd onto Spruce


"Training Car" inbound on 42nd Street


Route 34 leaving diversion route for home rails on Baltimore Ave, and re-wiring



Route 13 leaving diversion trackage for home rails on Chester Ave


end and beginning of diversion route for 11 and 36 at 42nd and Woodland



"Training Car" outbound on 42nd near Chester


40th Street crossing Chestnut


40th & Market



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(1240333)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by AEM-7AC #901 on Wed Aug 7 15:42:54 2013, in response to PHOTOS: SEPTA subway-surface diversion route, posted by chuchubob on Wed Aug 7 15:27:53 2013.

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re-wiring

Maybe one day Philadelphia will become a first world streetcar system and install pantographs. :-)

Otherwise, brilliant photos as always.

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(1240360)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by geoffc on Wed Aug 7 17:31:13 2013, in response to PHOTOS: SEPTA subway-surface diversion route, posted by chuchubob on Wed Aug 7 15:27:53 2013.

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On a subway/railroad track, at a switch point, they move the rails so the train goes onto the desired track.

In Toronto, I do not remember seeing movable points on the street car tracks. How do street cars chose their route? Does the driver have some kind of steering control in the cab?

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(1240366)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by Train2104 on Wed Aug 7 18:05:53 2013, in response to PHOTOS: SEPTA subway-surface diversion route, posted by chuchubob on Wed Aug 7 15:27:53 2013.

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How does fare payment work when it comes to these trolley diversions? Is everyone issued a free block ticket to use on the MFL?

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(1240368)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by chuchubob on Wed Aug 7 18:13:51 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by Train2104 on Wed Aug 7 18:05:53 2013.

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Fares are not collected from riders who board the trolleys at 40th & Market.
I assume that inbound passengers get a free transfer to the El at 40th.

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(1240383)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by Henry R32 #3730 on Wed Aug 7 19:38:05 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by geoffc on Wed Aug 7 17:31:13 2013.

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I'm sure a resident streetcar expert can give a better explanation but straight/diverging is decided by whether the operator is taking power while going over the switch or simply coasting.

And while it doesn't look like it, there *are* moving parts on streetcar tracks.

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(1240398)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by WillD on Wed Aug 7 20:21:51 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by geoffc on Wed Aug 7 17:31:13 2013.

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Single point turnouts:


From LightRail.com

The rail on the right side of the photo moves just like the two points on a normal railroad turnout.

Here's a close up of the moving point in a TTC Turnout:



Again, only the closest rail moves, the rail in the background is fixed.

As for how the system determines the route of the trolley and the direction it should move, Philadelphia uses the Vetag system. MaxFaqs has an interesting write-up on Vetag as used by Portland Trimet, but I'm not sure how that system compares to SEPTA's setup.

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(1240410)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by Dan Lawrence on Wed Aug 7 21:23:02 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by AEM-7AC #901 on Wed Aug 7 15:42:54 2013.

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Probably not. SEPTA is "National City Lines" reborn. BTW streetcars don't use pantographs, ask MUNI what they think about pantographs.

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(1240421)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by Olog-hai on Wed Aug 7 22:19:46 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by Dan Lawrence on Wed Aug 7 21:23:02 2013.

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BTW streetcars don't use pantographs

They sure don't.



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(1240423)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by SelkirkTMO on Wed Aug 7 22:25:55 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by Olog-hai on Wed Aug 7 22:19:46 2013.

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And since I just popped off about the subchat police making their rounds, that's not a streetcar, it's a horsecar. :)

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(1240425)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by AEM-7AC #901 on Wed Aug 7 22:37:53 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by Dan Lawrence on Wed Aug 7 21:23:02 2013.

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BTW streetcars don't use pantographs

Yet somehow, even the early German streetcars have pantographs...



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(1240427)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by Olog-hai on Wed Aug 7 22:42:35 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by SelkirkTMO on Wed Aug 7 22:25:55 2013.

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Better tell Wikipedia . . . they classify the horsecar as a subset of the streetcar . . .

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(1240428)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by SelkirkTMO on Wed Aug 7 22:44:49 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by Olog-hai on Wed Aug 7 22:42:35 2013.

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Yeah, Wikipedia ... the authoritative source for Final Jeopardy. :)

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(1240442)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by Olog-hai on Thu Aug 8 00:29:14 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by SelkirkTMO on Wed Aug 7 22:44:49 2013.

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Well, this is a US argument anyhow. Anything that runs on street tracks elsewhere in the world is running on a tramway and suddenly becomes a tram . . .

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(1240487)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by Mr. D - Type on Thu Aug 8 09:12:16 2013, in response to PHOTOS: SEPTA subway-surface diversion route, posted by chuchubob on Wed Aug 7 15:27:53 2013.

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Beautiful photos. Thanks for posting & sharing. It's the next best thing to being there.

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(1240488)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by Olog-hai on Thu Aug 8 09:32:52 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by AEM-7AC #901 on Wed Aug 7 15:42:54 2013.

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Nothing wrong with trolley poles.

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(1240528)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by Wado MP73 on Thu Aug 8 13:27:04 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by Dan Lawrence on Wed Aug 7 21:23:02 2013.

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(1240544)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by VictorM on Thu Aug 8 15:50:45 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by WillD on Wed Aug 7 20:21:51 2013.

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The interesting thing in that first photo is that the switch point grabs the inside of the wheel flange and pulls that wheel laterally so the wheel at the opposite end of the axle is directed onto the proper diverging rail. In a conventional railroad switch there would be a second switch point on the left rail which would push the outside of the flange to direct the wheel and axle onto the diverging track.

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(1240549)

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Re: PHOTOS: SEPTA subway-surface diversion route

Posted by The Flxible Neofan on Thu Aug 8 16:22:42 2013, in response to Re: PHOTOS: SEPTA subway-surface diversion route, posted by chuchubob on Wed Aug 7 18:13:51 2013.

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I think they just open up the gate at 40th Street Station to let the crowd through.

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