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Author Topic: Highest number of lanes in both directions  (Read 12012 times)

2Co5_14

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Highest number of lanes in both directions
« on: July 17, 2013, 01:15:33 PM »

The following site lists Urban Highways with the Most Lanes:
http://www.fhwa.dot.gov/policyinformation/tables/index.cfm
My suspicion was confirmed about I-75 northwest of Atlanta being at the top of the list. :nod:
(BTW, if there was an earlier thread on this tiopic, could someone point me to it?)
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Re: Highest number of lanes in both directions
« Reply #1 on: July 17, 2013, 01:21:51 PM »

I guess this does not include merge and c/d lanes.  I believe there is a segment of I-10 in Houston that is 22 lanes if you include all those.  (not including frontage roads.)
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Re: Highest number of lanes in both directions
« Reply #2 on: July 17, 2013, 01:26:11 PM »

Somehow these folks managed to miss the 14 lane wide Dan Ryan Expressway (I-94) in Chicago.
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Re: Highest number of lanes in both directions
« Reply #3 on: July 17, 2013, 01:32:39 PM »

I guess this does not include merge and c/d lanes.  I believe there is a segment of I-10 in Houston that is 22 lanes if you include all those.  (not including frontage roads.)

I would assume that all through lanes count. Ontario 401 has 18 through lanes (5 collector / 4 express WB, 4 collector / 5 express EB), and what appears to be two ramp lanes in each direction, at Dixie south of Pearson Airport.

Then again, Canada doesn't count.
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Re: Highest number of lanes in both directions
« Reply #4 on: July 17, 2013, 02:49:26 PM »

Since the list is dated July 2010, it doesn't have some of the major projects from the last few years.

Depending on the criteria used, the Garden State Parkway over the Raritan River is now 15 lanes - 7 Southbound, 8 Northbound (divided into two, 4 lane roadways).  2 of those lanes exit from the GSP just north of the bridge.



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Re: Highest number of lanes in both directions
« Reply #5 on: July 18, 2013, 02:22:43 PM »

US 50 in Baltimore?

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Re: Highest number of lanes in both directions
« Reply #6 on: July 18, 2013, 02:25:46 PM »

for a different perspective on "wide", here is Avenida 9 de Julio in Buenos Aires.

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Re: Highest number of lanes in both directions
« Reply #7 on: July 18, 2013, 03:45:15 PM »

IT lists I-95 as 14 lanes, where is it 14 lanes in NJ? NJTP when it splits?
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Re: Highest number of lanes in both directions
« Reply #8 on: July 18, 2013, 04:00:57 PM »

US 50 in Baltimore?
The location column refers to urban areas rather than cities, and the built-up parts of Anne Arundel County are in the Baltimore urban area.
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Re: Highest number of lanes in both directions
« Reply #9 on: July 18, 2013, 04:16:54 PM »



Commonweath Avenue (Abenida Komonwelt), Metro Manila Radial Road 7, widest in the Philippines with up to 18 through lanes. This shot shows part of the northbound (I think?) carriageway, composed of 8 lanes (including a motorcycle lane) and 3 lanes for a bus, taxi and jeepney stop on the right side. The Iglesia ni Cristo (Church of Christ) Temple is in the background.
« Last Edit: July 18, 2013, 04:20:29 PM by sammi »
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Re: Highest number of lanes in both directions
« Reply #10 on: July 18, 2013, 04:30:18 PM »

IT lists I-95 as 14 lanes, where is it 14 lanes in NJ? NJTP when it splits?

The Turnpike is 4-3-3-4 north of Exit 11, I believe, up to where the spurs split.



If you count every lane across the exit lanes, HOV carriageway, joining and departing flyover ramps, and such, Shirley Highway in Springfield, Virginia, is 25 lanes wide at one point between I-495 and Route 644 just to the south. (I say "Shirley Highway" because I'm still not 100% clear on where exactly I-395 is considered to begin now and whether the different carriageways/flyovers bear different route numbers.)
« Last Edit: July 18, 2013, 04:37:28 PM by 1995hoo »
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Re: Highest number of lanes in both directions
« Reply #11 on: July 19, 2013, 09:56:37 AM »

IT lists I-95 as 14 lanes, where is it 14 lanes in NJ? NJTP when it splits?

The Turnpike is 4-3-3-4 north of Exit 11, I believe, up to where the spurs split.


Close.  Exit 11 to Exit 13A, where they couldn't grab enough right of way to maintain the 4-3-3-4.  The turnpike splits between Exits 14 & 15.

If you want to stretch the definition of # of lanes, there is an 18 lane section of the Turnpike (3-3-3-3-3-3) for about 1/2 mile between Exit 14 & the split.  Although the outer roadways are really just an extended ramp from Exit 14 to the split, the NB outer lanes has its own VMS and VSLS.

http://goo.gl/maps/KcYsl
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Re: Highest number of lanes in both directions
« Reply #12 on: July 19, 2013, 05:05:44 PM »

M-30 in Madrid gets as wide as 14 lanes (3+4+4+3) in the Eastern part. But sincerely, I have never driven anything wider than 10 lanes.
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Re: Highest number of lanes in both directions
« Reply #13 on: July 22, 2013, 04:38:45 AM »

IT lists I-95 as 14 lanes, where is it 14 lanes in NJ? NJTP when it splits?

The Turnpike is 4-3-3-4 north of Exit 11, I believe, up to where the spurs split.


Close.  Exit 11 to Exit 13A, where they couldn't grab enough right of way to maintain the 4-3-3-4.  The turnpike splits between Exits 14 & 15.

If you want to stretch the definition of # of lanes, there is an 18 lane section of the Turnpike (3-3-3-3-3-3) for about 1/2 mile between Exit 14 & the split.  Although the outer roadways are really just an extended ramp from Exit 14 to the split, the NB outer lanes has its own VMS and VSLS.

http://goo.gl/maps/KcYsl

Umm... no, the Turnpike has 4-3-3-4 between Interchanges 11 and 14. However, the right lane ends in each direction at Interchange 13 before beginning again with an added lane from the merging ramp. I really don't know what's up with that, but ROW is as good a thought as any.

2Co5_14

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Re: Highest number of lanes in both directions
« Reply #14 on: July 22, 2013, 12:46:15 PM »

I guess this does not include merge and c/d lanes.  I believe there is a segment of I-10 in Houston that is 22 lanes if you include all those.  (not including frontage roads.)
When I posted this, I was thinking of highway segments where the only divider was between opposing directions.  There is a distinct feeling you get driving in the extreme left lane and seeing almost 100 feet of open pavement to your right.  Especially when you have to make 7 lane changes within less than 2 miles to get off at the next exit!  :wow:
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Re: Highest number of lanes in both directions
« Reply #15 on: July 22, 2013, 01:19:20 PM »


When I posted this, I was thinking of highway segments where the only divider was between opposing directions.  There is a distinct feeling you get driving in the extreme left lane and seeing almost 100 feet of open pavement to your right.  Especially when you have to make 7 lane changes within less than 2 miles to get off at the next exit!  :wow:

I think the most lane changes I've done in one swoop is 7.  somewhere in Atlanta.  (285?)  from the extreme left lane to the extreme right.  fairly low traffic, so I decided to do all 7 at once even though my exit was not for another mile and a half.
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Re: Highest number of lanes in both directions
« Reply #16 on: July 22, 2013, 03:52:00 PM »

Moscow has streets with 16 lanes.




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Re: Highest number of lanes in both directions
« Reply #17 on: July 22, 2013, 03:55:01 PM »

Proposed 24-lane cross-section of I-10 in Phoenix.

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Re: Highest number of lanes in both directions
« Reply #18 on: July 22, 2013, 04:04:26 PM »

is Phoenix traffic that bad to justify 24-laning I-10?  it does sometimes get a bit wedged, but if we're looking for a place that really needs 24 lanes, check out a dusty little town to the west called Los Angeles.
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Re: Highest number of lanes in both directions
« Reply #19 on: July 22, 2013, 04:39:19 PM »

I can't see how Phoenix really needs a 24 lane wide section of I-10.  Yes, it is a busy road, but Phoenix is not that big of a metro area.  Also, I would think the western loop of 202 would alleviate some of the need to widen I-10 at least for the short term.
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Re: Highest number of lanes in both directions
« Reply #20 on: July 23, 2013, 03:42:27 PM »

I can't see how Phoenix really needs a 24 lane wide section of I-10.  Yes, it is a busy road, but Phoenix is not that big of a metro area.  Also, I would think the western loop of 202 would alleviate some of the need to widen I-10 at least for the short term.

At least until the economy went down the toilet, Arizona was one of the fastest-growing states in the union. There's still talk that once things finally get back on track, that more and more people will move to the Phoenix area to live. The Loop 202 western extension will help if it gets built but there's quite the loud contingent of people, including a number of Native Americans for whom the freeway will encroach on the Gila River Indian Reservation, who don't want it.
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Re: Highest number of lanes in both directions
« Reply #21 on: July 23, 2013, 03:44:45 PM »

more and more people will move to the Phoenix area to live.

...why!?

it's hot and filled with SB1070 maniacs.
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Re: Highest number of lanes in both directions
« Reply #22 on: July 23, 2013, 04:31:30 PM »

The plan was drawn up just before the housing bust, when traffic volumes were soaring. Phoenix is recovering quite well from the housing bust nowadays, so something may need to be done along I-10 in a decade or so. The construction of Loop 202 will make some difference though, 24-laning is of course a huge expansion project, even by North American standards.

The Broadway Curve is a segment where a lot of traffic from different freeways combine. There are already 13 lanes there.

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Re: Highest number of lanes in both directions
« Reply #23 on: July 23, 2013, 05:27:13 PM »

Somehow these folks managed to miss the 14 lane wide Dan Ryan Expressway (I-94) in Chicago.

Same could be said for the 12 lane wide I-290/IL-53 between Woodfield and I-90
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Re: Highest number of lanes in both directions
« Reply #24 on: July 23, 2013, 07:20:35 PM »

more and more people will move to the Phoenix area to live.

...why!?

it's hot and filled with SB1070 maniacs.

A combination of low cost of living and lots of sunny weather is attractive to a lot of people. My parents are considering moving to Arizona (although not Phoenix specifically) when they retire for these reasons.

And as for the politics, *shrug* one man's maniac is another man's truth speaker.
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