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Author Topic: Routes that form a complete loop  (Read 11237 times)

bzakharin

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Re: Routes that form a complete loop
« Reply #25 on: February 19, 2014, 10:05:42 AM »

A rare, railroad example used to exist in Toledo, OH.  The Toledo Terminal was a switching railroad that made a complete loop around the city.  The beginning of the end was in 1982, when a train derailed the upstream of the two crossings of the Maumee River.  The bridge was damaged and never repaired, and the tracks on both sides eventually abandoned.  Today the track is gone in several places west of the river.
Moscow has a loop subway line
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SteveG1988

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Re: Routes that form a complete loop
« Reply #26 on: February 19, 2014, 12:52:35 PM »

A rare, railroad example used to exist in Toledo, OH.  The Toledo Terminal was a switching railroad that made a complete loop around the city.  The beginning of the end was in 1982, when a train derailed the upstream of the two crossings of the Maumee River.  The bridge was damaged and never repaired, and the tracks on both sides eventually abandoned.  Today the track is gone in several places west of the river.
Moscow has a loop subway line

Loop subways are fairly normal, it allows for more stations to be serviced without having to engineer a turnaround area or having to reverse at any point. Many people mover systems are setup in permament loops such as the dallas airport's.

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Road Hog

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Re: Routes that form a complete loop
« Reply #27 on: February 20, 2014, 09:09:23 PM »

I was surprised to find that London's M25 does not. There's a bit of it that's the A282.

I believe that is at the Dartford Crossing bridge/tunnel. The crossing is toll, which probably violates MOT motorway standards.
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1995hoo

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Re: Routes that form a complete loop
« Reply #28 on: February 20, 2014, 09:40:39 PM »

I was surprised to find that London's M25 does not. There's a bit of it that's the A282.

I believe that is at the Dartford Crossing bridge/tunnel. The crossing is toll, which probably violates MOT motorway standards.

I read somewhere that the reason for designating that portion as a non-motorway is to allow traffic that would be prohibited from using a motorway to access the Thames crossings there because they are the only crossings east of London other than a ferry.
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english si

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Re: Routes that form a complete loop
« Reply #29 on: February 21, 2014, 07:28:21 AM »

I was surprised to find that London's M25 does not. There's a bit of it that's the A282.

I believe that is at the Dartford Crossing bridge/tunnel. The crossing is toll, which probably violates MOT motorway standards.
no such thing as 'motorway standards', but certainly certain people disagree/have disagreed and not sort legal orders for their schemes due to very minor and silly 'violations'. Even so, Dartford is up to 'standard', or near enough.

If a toll violates standards then the Severn Bridges wave, as does the M6 Toll. But Dartford is OK on other factors too.
I read somewhere that the reason for designating that portion as a non-motorway is to allow traffic that would be prohibited from using a motorway to access the Thames crossings there because they are the only crossings east of London other than a ferry.
closer, but not quite.

The A282 is A282, and not M25 as the first bore of the Dartford Tunnel opened in the 60s, and the second a few years later. When the first bore opened it was a local scheme, and the line of the motorway hadn't been determined by then, so it opened as a bog standard road.

This created a right of way, which needs a lot of effort to remove,  and it was never considered worth removing, or creating a parallel alternate route to make the crossing (and approaches) a motorway.
« Last Edit: February 21, 2014, 07:33:23 AM by english si »
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english si

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Re: Routes that form a complete loop
« Reply #30 on: February 21, 2014, 07:47:20 AM »

We Brits rather like numbers for ring roads.

A4053 Coventry
A4150 Wolverhampton
A4540 Birmingham
A147 Norwich
A594 Leicester
A601 Derby
A990 Perth
A991 Dundee
A6008 Nottingham
A6177 Bradford
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PHLBOS

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Re: Routes that form a complete loop
« Reply #31 on: February 21, 2014, 08:41:24 AM »

I'm suprised that nobody has yet mentioned TX (LOOP) 12 in the Dallas area.
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Re: Routes that form a complete loop
« Reply #32 on: February 21, 2014, 09:29:01 AM »

KY 1047.
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Bruce

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Re: Routes that form a complete loop
« Reply #33 on: February 21, 2014, 12:18:21 PM »

WA-100 forms a loop around the Cape Disappointment area at the mouth of the Columbia River. I believe it is the only state highway in Washington signed as a loop, though I could be mistaken.

english si

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Re: Routes that form a complete loop
« Reply #34 on: February 21, 2014, 12:21:40 PM »

Adding to the list above of British ones

M60 Manchester
A3110 St Mary's (island loop)
A4148 Walsall
A5268 Chester
A6009 Mansfield
A6078 Blackburn
A888 Barra (island loop)
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Urban Prairie Schooner

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Re: Routes that form a complete loop
« Reply #35 on: February 21, 2014, 01:13:34 PM »

LA 606. Technically it doubles back to end at itself, so it has two discrete ends, but it does form a closed loop.
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Re: Routes that form a complete loop
« Reply #36 on: February 21, 2014, 06:42:24 PM »

Does PQ 132 make a large complete loop in eastern Quebec?
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Re: Routes that form a complete loop
« Reply #37 on: February 21, 2014, 07:05:59 PM »

Does PQ 132 make a large complete loop in eastern Quebec?

Yes, it does.
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Re: Routes that form a complete loop
« Reply #38 on: February 21, 2014, 07:33:36 PM »

Does PQ 132 make a large complete loop in eastern Quebec?

Yes, it does.
It's lasso shaped. There are two other lasso routes in QC. MA 127 would also be a lasso route, but the calf broke away at MA 128.

GaryV

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Re: Routes that form a complete loop
« Reply #39 on: February 21, 2014, 08:11:46 PM »

Then there's (Lansing) Michigan's Capitol Loop, which despite the name is not a loop.  Well, it has a "loop" in the middle of it, if a rectangle is a loop, but there's tails coming off both ends of the rectangle to connect to I-496.

And the ever popular "Yooper Loop" in Houghton, where the NB/SB (actually running E-W) one-way sections of US-41 make a loop.
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yakra

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Re: Routes that form a complete loop
« Reply #40 on: February 22, 2014, 08:52:01 PM »

New Brunswick has a couple "lasso" routes, 772 & 845.
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roadfro

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Re: Routes that form a complete loop
« Reply #41 on: February 24, 2014, 12:39:35 AM »

Nevada has one complete loop: McCarran Blvd in Reno–Sparks, which is an approximately 23-mile at-grade arterial roadway. The road is also SR 659, which is not signed.
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