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Triple "Left Turn Only" Lanes

Started by hm insulators, March 22, 2011, 02:08:42 PM

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CentralCAroadgeek



Roadsguy

This is a triple right turn only, but whatever.

http://goo.gl/maps/T2FyE

US 1 SB to US 1 SB in Philadelphia.
Mileage-based exit numbering implies the existence of mileage-cringe exit numbering.

CentralCAroadgeek

No link for now, but the I-15 Flamingo exit here in Vegas has a triple left.

roadfro

Quote from: CentralCAroadgeek on January 04, 2013, 01:04:33 PM
No link for now, but the I-15 Flamingo exit here in Vegas has a triple left.

I linked this one on page one of the thread.


Adding a couple other Nevada examples:

Las Vegas/Henderson - third turn lane on all is shared left/thru (for the off ramps, they're effectively left turn only lanes)
Roadfro - AARoads Pacific Southwest moderator since 2010, Nevada roadgeek since 1983.

colinstu

With the "I-515/US 93/US 95 NB offramp to Sunset Road (SR 592)" example... seriously? NDOT using "ONLY" for a left+forward lane? "Only" should be reserved for lanes where only one direction of travel is permitted... tsk tsk. :P


roadfro

Quote from: colinstu on January 04, 2013, 08:47:22 PM
With the "I-515/US 93/US 95 NB offramp to Sunset Road (SR 592)" example... seriously? NDOT using "ONLY" for a left+forward lane? "Only" should be reserved for lanes where only one direction of travel is permitted... tsk tsk. :P

It's an older install. NDOT has started to use the "ONLY" text much less, in favor of just additional arrows. The reconstructed off ramp at I-80 WB to Virginia St in Reno now has no fewer than *8* consecutive arrows on the pavement in each lane at the first signal without an "only" in sight...despite two lanes just going straight with no turns.
Roadfro - AARoads Pacific Southwest moderator since 2010, Nevada roadgeek since 1983.

Roadsguy

#106
NC 210 NB to Honeycutt Road WB. The left lane was still closed the last time I was down there. That whole setup will soon qualify for that Coolest Interchanges thread I happened to have created.
Mileage-based exit numbering implies the existence of mileage-cringe exit numbering.

deathtopumpkins

Found a triple left turn in New Hampshire the other day on NH 28 just south of I-293 at the Mall of New Hampshire: http://goo.gl/maps/nMj2s
Triple lefts are pretty rare in New England.
Disclaimer: All posts represent my personal opinions and not those of my employer.

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CentralCAroadgeek

Another triple left in Gilroy, Arroyo Circle at Leavesley Road. Not quite a triple-left only, since the far right left only lane is an option lane.

Michael

While I was exploring I-278 in New York City a week or two ago, I stumbled on this triple left turn.  If you unckeck 45º view, you get older imagery that has a quadruple left turn.

colinstu

Quote from: Michael on February 27, 2013, 06:24:10 PM
While I was exploring I-278 in New York City a week or two ago, I stumbled on this triple left turn.  If you unckeck 45º view, you get older imagery that has a quadruple left turn.

Posted that one back in Sept. https://www.aaroads.com/forum/index.php?topic=4320.msg171741#msg171741

kj3400

Just spied a triple left turn lane on Indian Head Hwy (MD 210) at MD 228. Also home to a three way CFI that I never knew was there.

http://goo.gl/maps/knoNg
Call me Kenny/Kenneth. No, seriously.

cpzilliacus

#114
In Montgomery County, Maryland:

Northbound Md. 355 (North Frederick Avenue) at Md. 124 (Montgomery Village Avenue) in the City of Gaithersburg here.

Nearby, Southbound (compass westbound) Md. 124 (Midcounty Highway) approaching Montgomery Village Avenue here.

In the City of Rockville, eastbound East Gude Drive approaching Md. 28 (Norbeck Road) here.

Carroll County:

City of Westminster, northbound Md. 97 (Malcolm Drive) approaching Md. 140 (Baltimore Boulevard/Westminster Bypass) is two left turn lanes and a third lane is left or straight ahead here.
Opinions expressed here on AAROADS are strictly personal and mine alone, and do not reflect policies or positions of MWCOG, NCRTPB or their member federal, state, county and municipal governments or any other agency.

kj3400

#115
Former US 29 (Old Columbia Pike) has 2 and a half left turning lanes at Sandy Spring Rd (MD 198) before it merges back onto US 29.

http://goo.gl/maps/XYZbe
Call me Kenny/Kenneth. No, seriously.

Roadsguy

http://goo.gl/maps/WGrZm

Here's a rare setup: triple-right, then triple-left!
Mileage-based exit numbering implies the existence of mileage-cringe exit numbering.

Mr_Northside

Quote from: Roadsguy on March 22, 2013, 11:17:07 PM
http://goo.gl/maps/WGrZm
Here's a rare setup: triple-right, then triple-left!

The "triple-right" has right arrows painted on it, but I don't know I personally would consider it a turn, since it's the only movement permitted, it's a straight thru on a curve.

In some ways the left is kind of similar as well..... That whole series of intersections is pretty weird.  Curiosity got the better of me, and I had to use GSV to find out it's a Wendy's that's locked into the whole mess.
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Kacie Jane

Quote from: Mr_Northside on March 24, 2013, 02:39:14 PM
Quote from: Roadsguy on March 22, 2013, 11:17:07 PM
http://goo.gl/maps/WGrZm
Here's a rare setup: triple-right, then triple-left!

The "triple-right" has right arrows painted on it, but I don't know I personally would consider it a turn, since it's the only movement permitted, it's a straight thru on a curve.

In some ways the left is kind of similar as well..... That whole series of intersections is pretty weird.  Curiosity got the better of me, and I had to use GSV to find out it's a Wendy's that's locked into the whole mess.

My problem with the triple-left isn't that it's a "straight thru on a curve" the way the triple-right is.  It's that it's not a triple left.  It's a single hard left onto one street, plus a double soft left onto another street.


Roadsguy

Why does the far right lane go through a "porkchop" ramp, while the other two right-turn lanes go through the light?
Mileage-based exit numbering implies the existence of mileage-cringe exit numbering.

vtk

Because the right lane has "continuous right turn with caution".  Those are almost always separated from additional right turn lanes, but only sometimes with a raised island.
Wait, it's all Ohio? Always has been.

MASTERNC

Quote from: vtk on April 16, 2013, 10:17:02 AM
Because the right lane has "continuous right turn with caution".  Those are almost always separated from additional right turn lanes, but only sometimes with a raised island.

There are a bunch of those in the area with a small "island" between the two turn lanes.  The right most turn lane is accompanied by a sign saying "Keep Moving" (as in that lane is not controlled by a signal).

JMoses24

I haven't yet found a triple single direction turn anywhere in Cincinnati that wasn't a one way. A one way example exists on southbound Plum Street at 6th in downtown, where the Convention Center effectively "breaks" Plum Street.



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