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Summerlin Pkwy/CC-215 Interchange

Started by roadfro, March 04, 2023, 03:46:18 PM

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roadfro

Looks like we'll finally get a full freeway-to-freeway interchange at this junction...

Summerlin Parkway/215 interchange set for major overhaul, Las Vegas Review-Journal, 2/20/2023
Quote
The interchange to Summerlin Parkway is set for a major overhaul as Summerlin continues to grow and officials look to make the 215 Beltway in the northwest a full freeway in all areas.

The $100 million project is set to begin sometime this year – the exact date has yet to be determined – and will last 18 months.

The project includes the reconfiguration of interchange ramps and the construction of new ramps, four new roadway bridges, and widening the existing Summerlin Parkway bridge, according to Clark County spokesman Erik Pappa.

Work also calls for three new trail bridges for the city of Las Vegas trail, retaining walls, storm drainage facilities, curb and gutter upgrades, sidewalks, street lighting, traffic signal modifications, utility modifications and relocations, traffic control devices/signage, and pavement markings.

That was the extent of the article.

I haven't come across any websites for the project or anything, so no ideas what the new configuration will be. I doubt we'll have a three-level interchange here. Four new bridges potentially suggests ramp braiding along the 215 between the Summerlin Pkwy & Far Hills Ave interchanges, and maybe 2-3 new directional ramps. (I've always wondered what the plan has been for this unused undercrossing from the last revamp of the interchange...maybe part of a SB>EB ramp?)
Roadfro - AARoads Pacific Southwest moderator since 2010, Nevada roadgeek since 1983.


Plutonic Panda

I sent a few emails hopefully someone will respond. I too am curious what they propose. Anything will help. 100 million sounds about right for a traditional Y stack interchange with direct connectors for all of the freeway to freeway movements but given the complexity of this interchange and what the article said it seems the project focuses on more than just that.

The Ghostbuster

My question is how will they build a system interchange at the CC-215/NV 613 junction that would not require tearing down houses where the 613W-215N ramp would be constructed? Is there enough space to do so (and that includes also building a 613W-to-215S ramp)? It looks like there would be enough space to construct the other movements within the interchange without too much disruption.

roadfro

Quote from: The Ghostbuster on March 05, 2023, 11:56:34 AM
My question is how will they build a system interchange at the CC-215/NV 613 junction that would not require tearing down houses where the 613W-215N ramp would be constructed? Is there enough space to do so (and that includes also building a 613W-to-215S ramp)? It looks like there would be enough space to construct the other movements within the interchange without too much disruption.

It seems to me that there is plenty of space to put in a WB-to-NB ramp within the existing interchange ROW, as the property line abutting the houses in the northeast quadrant has very deliberate curve. It may not be a ramp that drivers can ultimately take at full freeway speed, but it wouldn't be a slow speed ramp either. This is actually one of the things I was quite annoyed with when the interchange got its first reconfiguration during the 215's upgrade from interim facility to full freeway through this stretch–it seemed like there was more than enough space to implement a more permanent WB-to-NB ramp during the initial reconstruction, but instead we got the current hard right turn (with NTOR restriction) at the signal.

I'm thinking the SB-to-EB ramp will be what utilizes the unused undercrossing on the west side of the interchange...that seems like it would match up with the curvature of the beltway trail (which also seems very deliberate). They'd just need to replace the EB-to-SB ramp somehow.

And now thinking about it some more, we might not get ramp braiding with Far Hills. But I'm still thinking a flyover for the WB-to-SB movement may be out of the cards unless they also relocate some power lines running through the interchange.
Roadfro - AARoads Pacific Southwest moderator since 2010, Nevada roadgeek since 1983.

cl94

I mean, Nevada isn't afraid to tear down a few houses to rebuild an interchange. A block or two in Reno will come down for the rest of the Spaghetti Bowl rebuild. But there is plenty of room for a full system interchange without removing any buildings.
Please note: All posts represent my personal opinions and do not represent those of my employer or any of its partner agencies.

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Occidental Tourist

Quote from: roadfro on March 05, 2023, 02:12:38 PM
And now thinking about it some more, we might not get ramp braiding with Far Hills. But I'm still thinking a flyover for the WB-to-SB movement may be out of the cards unless they also relocate some power lines running through the interchange.
Maybe not ramp braiding, but there's definitely room under the current bridge for a separated C/D lane for traffic entering from Far Hills and exiting to 613 east.  I assume they don't plan for Summerlin Parkway to continue further west from 215.

roadfro

#6
Quote from: Occidental Tourist on March 07, 2023, 11:44:43 PM
Quote from: roadfro on March 05, 2023, 02:12:38 PM
And now thinking about it some more, we might not get ramp braiding with Far Hills. But I'm still thinking a flyover for the WB-to-SB movement may be out of the cards unless they also relocate some power lines running through the interchange.
Maybe not ramp braiding, but there's definitely room under the current bridge for a separated C/D lane for traffic entering from Far Hills and exiting to 613 east.  I assume they don't plan for Summerlin Parkway to continue further west from 215.
Summerlin Pkwy is planned to eventually continue west of the 215, but as an arterial street and not a freeway. Satellite views in Google Maps starting to show housing developments creeping closer to the parkway alignment west of 215, so some westward extension is likely to come with this project or soon after.
Roadfro - AARoads Pacific Southwest moderator since 2010, Nevada roadgeek since 1983.

The Ghostbuster

I doubt any Summerlin Parkway westward extension would be very long, since you would get to the mountains before going too far.

brad2971

Quote from: roadfro on March 08, 2023, 12:38:54 AM
Quote from: Occidental Tourist on March 07, 2023, 11:44:43 PM
Quote from: roadfro on March 05, 2023, 02:12:38 PM
And now thinking about it some more, we might not get ramp braiding with Far Hills. But I'm still thinking a flyover for the WB-to-SB movement may be out of the cards unless they also relocate some power lines running through the interchange.
Maybe not ramp braiding, but there's definitely room under the current bridge for a separated C/D lane for traffic entering from Far Hills and exiting to 613 east.  I assume they don't plan for Summerlin Parkway to continue further west from 215.
Summerlin Pkwy is planned to eventually continue west of the 215, but as an arterial street and not a freeway. Satellite views in Google Maps starting to show housing developments creeping closer to the parkway alignment west of 215, so some westward extension is likely to come with this project or soon after.

Considering how much buildout is happening west of 215, per https://www.google.com/maps/place/Summerlin,+Las+Vegas,+NV/@36.1901171,-115.345499,4822m/data=!3m1!1e3!4m6!3m5!1s0x80c8bfdd4a718369:0xbf6ad6ea11a16ac9!8m2!3d36.1895728!4d-115.3036584!16zL20vMDJfODh6

And considering that there are two exits (Lake Mead Blvd and Far Hills Ave) right next to Summerlin Pkwy, it makes one wonder why Summerlin Pkwy should even be extended past 215. Just simply build the wye interchange and be done with it.

roadfro

Clark County has awarded a contract for this interchange project, and it should hopefully be getting started before the end of the year.

Major makeover coming to Summerlin Parkway-215 interchange, Las Vegas Review-Journal, 9/17/2024
QuoteThe 215 Beltway-Summerlin Parkway interchange is expected to get a major upgrade after a local paving company landed a $130 million contract for the project.

Clark County commissioners unanimously approved the contract Tuesday, with Las Vegas Paving's $130 million bid coming in much lower than Fisher Sand and Gravel Company's nearly $205 million bid. The contract, approved as part of the consent agenda, was not discussed during the meeting.

The project includes the building of four new roadway bridges, widening of the existing Summerlin Parkway bridge over the 215 and adding three trail bridges.

Other work tied to the project includes adding new retaining walls; storm drainage facilities; curbs, gutters and sidewalks; street lighting; traffic signals modifications; and utility modifications and relocations.

Earlier this year Clark County told the Review-Journal that construction would kick off this year. Construction of the project is expected to take about two years to complete.

While work was initially expected to begin earlier this year, the project design process took longer than expected, and during the planning stages the entity responsible for maintaining Summerlin Parkway shifted from the city of Las Vegas to the Nevada Department of Transportation.<...>
Roadfro - AARoads Pacific Southwest moderator since 2010, Nevada roadgeek since 1983.

mrsman

Quote from: brad2971 on March 08, 2023, 07:44:54 PM
Quote from: roadfro on March 08, 2023, 12:38:54 AM
Quote from: Occidental Tourist on March 07, 2023, 11:44:43 PM
Quote from: roadfro on March 05, 2023, 02:12:38 PMAnd now thinking about it some more, we might not get ramp braiding with Far Hills. But I'm still thinking a flyover for the WB-to-SB movement may be out of the cards unless they also relocate some power lines running through the interchange.
Maybe not ramp braiding, but there's definitely room under the current bridge for a separated C/D lane for traffic entering from Far Hills and exiting to 613 east.  I assume they don't plan for Summerlin Parkway to continue further west from 215.
Summerlin Pkwy is planned to eventually continue west of the 215, but as an arterial street and not a freeway. Satellite views in Google Maps starting to show housing developments creeping closer to the parkway alignment west of 215, so some westward extension is likely to come with this project or soon after.

Considering how much buildout is happening west of 215, per https://www.google.com/maps/place/Summerlin,+Las+Vegas,+NV/@36.1901171,-115.345499,4822m/data=!3m1!1e3!4m6!3m5!1s0x80c8bfdd4a718369:0xbf6ad6ea11a16ac9!8m2!3d36.1895728!4d-115.3036584!16zL20vMDJfODh6

And considering that there are two exits (Lake Mead Blvd and Far Hills Ave) right next to Summerlin Pkwy, it makes one wonder why Summerlin Pkwy should even be extended past 215. Just simply build the wye interchange and be done with it.

I do agree with the above.  It is better to prioritize the movements from 613 to 215 as much as possible without traffic signals, and if it is easier to do that within the existing footprint of the highways without an extension to the west, then so be it.

There are several other situations that are similar that I have come across and they are not pretty.  (freeways ending just before another freeway with an uncomfortable interchange between the two). 

One situation was the old configuration of the 237-880 interchange in Milipitas, CA.  237 was an arterial road and it originally met 880 in a parclo A4.  A lot of 237 was later upgraded to a freeway, and it is a very important connection between East Bay and the heart of Silicon Valley, yet the 880-237 interchange was not a freeway to freeway interchange.  This was later remedied with flyovers for the 237 EB to 880 NB movement, but the 880 NB to 237 WB movement is still controlled by traffic signals, and it is unlikely to be mitigated in any way. 

This same mistake should not be repeated in Summerlin.

The Ghostbuster

Given Summerlin Parkway becomes Sunset Run Dr. and Sky Vista Dr. west of CC-215, I don't see how (or why) Summerlin would need a western extension.

Bobby5280

#12
Quote from: cl94I mean, Nevada isn't afraid to tear down a few houses to rebuild an interchange. A block or two in Reno will come down for the rest of the Spaghetti Bowl rebuild. But there is plenty of room for a full system interchange without removing any buildings.

In the case of the Summerlin Parkway interchange with CR-215 it looks like there is already enough existing ROW in place to build a Y interchange. Perhaps the flyover ramp from Westbound NV-613 to Northbound CR-215 might be a bit tight/slow in design speed. That's going to be a more acceptable solution versus demolishing 12-18 homes along Mission Lakes Avenue.

As for extending the NV-613 freeway farther West, it looks like the chances for that happening have already been blown. New housing subdivisions West of CR-215 are still growing like a virus.

With the Vegas area continuing to grow rapidly the city planners there are really way behind at planning new freeway corridors. So many areas are getting blocked in with development that it's going to turn major surface arterial corridors like St Rose Parkway, Blue Diamond Road and more into "stop light hell."

mrsman

Quote from: Bobby5280 on September 29, 2024, 02:35:53 PMWith the Vegas area continuing to grow rapidly the city planners there are really way behind at planning new freeway corridors. So many areas are getting blocked in with development that it's going to turn major surface arterial corridors like St Rose Parkway, Blue Diamond Road and more into "stop light hell."

This is probably true.  It would be nice if more metro areas would preserve some right of way for future highways to serve development.

And these highways don't need to be freeways.  But they should be designed as fast suburban arterials, without direct business access, no direct access to driveways, and hopefully very few signalized intersections.  A reasonable example in my current area is Highway 29:

https://www.google.com/maps/@39.0890111,-76.9432248,3a,75y,32.5h,84.12t/data=!3m7!1e1!3m5!1soY_3m0c_YJztrkDsUAz9Lw!2e0!6shttps:%2F%2Fstreetviewpixels-pa.googleapis.com%2Fv1%2Fthumbnail%3Fcb_client%3Dmaps_sv.tactile%26w%3D900%26h%3D600%26pitch%3D5.876451986500712%26panoid%3DoY_3m0c_YJztrkDsUAz9Lw%26yaw%3D32.49842622365749!7i16384!8i8192?coh=205410&entry=ttu&g_ep=EgoyMDI0MDkyNS4wIKXMDSoASAFQAw%3D%3D

US 29 serves the Baltimore-Washington corridor, along the western edge.  It is a surface street from the DC/MD line, but then becomes a semi-highway between MD 650 and MD 198.  There are interchanges at the busiest cross-roads [and there are long term plans for freeway conversion], but it is still a divided highway with some limited access and moves generally well.  (North of MD 198 all the way to I-70 it is a freeway).

A road designed like US 29 would be a great suburban connector to form EW and NS corridors that are meant for local traffic, not interstate traffic.  Great for the Sunbelt.

I think that the expressways in the Silicon Valley had the same idea in mind, but of course development had unfortunately crept in.

Bobby5280

The "super street" concept works alright as long as traffic levels remain at a certain reasonable level. If the daily vehicle counts rise above a certain point it won't matter if driveways are kept at a minimum and traffic signals are spaced a mile apart. Traffic jams are going to happen. Lots of collisions at busy intersections will occur by people trying to beat the red light.

Powers Blvd in Colorado Springs sort of works like a super street. Over 30 years ago it was originally intended to be turned into a freeway, even a loop highway with I-25. The anti-roads folks intervened (some of whom were elected officials). Since the 1990's they've had to back track and start converting certain intersections into grade-separated freeway-style interchanges. Powers Blvd has so much traffic on it that it's only a matter of time before the whole thing is eventually turned into a freeway. Other major surface arterials in Colorado Springs will probably get more grade-separated intersections. The city has no commuter rail service. Zero people like using city bus service. So basically everyone has to drive. And no one likes stop light hell.

roadfro

Quote from: Bobby5280 on September 29, 2024, 02:35:53 PMIn the case of the Summerlin Parkway interchange with CR-215 it looks like there is already enough existing ROW in place to build a Y interchange. Perhaps the flyover ramp from Westbound NV-613 to Northbound CR-215 might be a bit tight/slow in design speed. That's going to be a more acceptable solution versus demolishing 12-18 homes along Mission Lakes Avenue.
It looks to me like they reserved plenty of ROW for a sweeping WB>NB ramp that can be signed for an advisory speed of at least 45mph.

QuoteAs for extending the NV-613 freeway farther West, it looks like the chances for that happening have already been blown. New housing subdivisions West of CR-215 are still growing like a virus.
It has long been planned that Summerlin Pkwy would not extend west of the 215 as a freeway, and any westward extension was going to be an arterial roadway—there wouldn't be much of a place for a freeway to go west of the 215 anyway. 

That said, the arterial configuration they went with west of the 215 is odd: a short divided one-way couplet leading to two arterials branching in different directions...

QuoteWith the Vegas area continuing to grow rapidly the city planners there are really way behind at planning new freeway corridors. So many areas are getting blocked in with development that it's going to turn major surface arterial corridors like St Rose Parkway, Blue Diamond Road and more into "stop light hell."
How many new freeways would Vegas need? Aside from an eastern beltway leg (ruled out in planning years ago due to shear cost of eminent domain to make that happen), the freeway network is fairly decent. And arterial roadway operate decently well, despite number of signals and driveways, especially since the Vegas area has paid a lot of attention to signal coordination over the years (what is now RTC's FAST has origins dating back to the 1980s, I believe).
Roadfro - AARoads Pacific Southwest moderator since 2010, Nevada roadgeek since 1983.

Bobby5280

I think they should have been doing work on the South side, where so much rapid growth has been taking place. It doesn't look like NV-160 could be upgraded into a freeway thru Enterprise. A new East-West freeway spur from I-15 South of Enterprise to NV-160 looks pretty necessary. But about the only way it could be built is if it left I-15 near Speed Vegas and ran parallel to the rail line cutting thru the mountain pass South of town.

Via Inspirada looks like a surface street that was built for potential freeway upgrades in mind. But one the intersections that looked like it was meant for a diamond interchange had several shops built in the damned median strip. Great city planning there!

roadfro

Bump! This project finally kicked off last week, but it's gonna take about three years to complete... There's also a project website www.CC215SummerlinParkwayInterchange.com (which actually redirects to a page on Clark County Public Works)

$130M 215-Summerlin Parkway interchange project underway Mick Ackers (the 'Road Warrior'), Las Vegas Review-Journal, 2/10/2025
QuoteWork to make the transition between the 215 Beltway and Summerlin Parkway smoother and more efficient is finally underway.

Crews kick off work Monday on the $130 million revamp of the interchange, according to Jimmy Floyd, manager of construction management for Clark County Public Works.

The three-year project includes the construction of four new roadway bridges, widening of the existing Summerlin Parkway bridge over the 215 and adding three pedestrian-bicycle trail bridges.

"It will essentially allow a continuous freeway from southbound 215 to eastbound Summerlin Parkway, to where you won't have to go through traffic signals anymore," Floyd said. "It will reduce it down to one traffic signal on the interchange itself."

Initial work that will occur through October includes removing gravel mulch and installing barriers along 215, repairing the concrete and asphalt on 215, ramp improvements from 215 northbound to Summerlin Parkway eastbound and the construction of the 215 bridge. The construction of retaining walls and ramp also will begin on the west side of 215 between Far Hills Avenue and Summerlin Parkway.

Also included in the project's plans are adding new retaining walls, upgrading storm drainage facilities, curbs, gutters and sidewalks, installing enhanced street lighting and modifying traffic signals, utility modifications and relocations.
<...>
Partner input

Clark County worked with several stakeholders in the area to ensure they have a design and traffic plan to best suit the area during and after construction.

"It's a beltway project, so we're taking the lead, but it does tie on to portions of Summerlin Parkway; that's their (Nevada Department of Transportation's) right of way," Floyd said. "A lot of the traffic signals are operated by the city of Las Vegas, so we coordinated with them. Howard Hughes and the city of Las Vegas are heavily involved with the pedestrian bridges... so there's a lot of collaboration and cooperation with those different agencies."

By enhancing the connection between the 215 and Summerlin Parkway, the project could streamline access to the parkway, providing motorists with more direct routes through the area.

Finally underway

The project was originally slated to begin last year, but project design took longer than expected, and the entity tasked with maintaining Summerlin Parkway changed from the city of Las Vegas to the Transportation Department.

Despite not overseeing the project, the Transportation Department is hopeful that the project will streamline access to Summerlin Parkway by adding more direct routes, agency spokeswoman Kelsey McFarland previously told the Review-Journal.

"(It's) an exciting and vital development for the region, aimed at greatly improving traffic flow and safety in an area that sees a significant amount of commuter and recreational traffic," McFarland said. "Although NDOT is not directly involved in the construction of the 215 Beltway/Summerlin Parkway interchange project, we recognize its potential to improve access for residents in the surrounding areas." her email stated.
<...>

Story from Las Vegas' ABC affiliate KTNV:
Roadfro - AARoads Pacific Southwest moderator since 2010, Nevada roadgeek since 1983.

SeriesE

Quote from: mrsman on September 29, 2024, 08:43:39 AM
Quote from: brad2971 on March 08, 2023, 07:44:54 PM
Quote from: roadfro on March 08, 2023, 12:38:54 AM
Quote from: Occidental Tourist on March 07, 2023, 11:44:43 PM
Quote from: roadfro on March 05, 2023, 02:12:38 PMAnd now thinking about it some more, we might not get ramp braiding with Far Hills. But I'm still thinking a flyover for the WB-to-SB movement may be out of the cards unless they also relocate some power lines running through the interchange.
Maybe not ramp braiding, but there's definitely room under the current bridge for a separated C/D lane for traffic entering from Far Hills and exiting to 613 east.  I assume they don't plan for Summerlin Parkway to continue further west from 215.
Summerlin Pkwy is planned to eventually continue west of the 215, but as an arterial street and not a freeway. Satellite views in Google Maps starting to show housing developments creeping closer to the parkway alignment west of 215, so some westward extension is likely to come with this project or soon after.

Considering how much buildout is happening west of 215, per https://www.google.com/maps/place/Summerlin,+Las+Vegas,+NV/@36.1901171,-115.345499,4822m/data=!3m1!1e3!4m6!3m5!1s0x80c8bfdd4a718369:0xbf6ad6ea11a16ac9!8m2!3d36.1895728!4d-115.3036584!16zL20vMDJfODh6

And considering that there are two exits (Lake Mead Blvd and Far Hills Ave) right next to Summerlin Pkwy, it makes one wonder why Summerlin Pkwy should even be extended past 215. Just simply build the wye interchange and be done with it.

I do agree with the above.  It is better to prioritize the movements from 613 to 215 as much as possible without traffic signals, and if it is easier to do that within the existing footprint of the highways without an extension to the west, then so be it.

There are several other situations that are similar that I have come across and they are not pretty.  (freeways ending just before another freeway with an uncomfortable interchange between the two). 

One situation was the old configuration of the 237-880 interchange in Milipitas, CA.  237 was an arterial road and it originally met 880 in a parclo A4.  A lot of 237 was later upgraded to a freeway, and it is a very important connection between East Bay and the heart of Silicon Valley, yet the 880-237 interchange was not a freeway to freeway interchange.  This was later remedied with flyovers for the 237 EB to 880 NB movement, but the 880 NB to 237 WB movement is still controlled by traffic signals, and it is unlikely to be mitigated in any way. 

This same mistake should not be repeated in Summerlin.

237/880 used to be a full cloverleaf interchange

vdeane

So, if Clark County is taking the lead on this project, I take it that CR 215 isn't going to be transferred to NDOT and signed as I-215 any time soon.
Please note: All comments here represent my own personal opinion and do not reflect the official position of NYSDOT or its affiliates.

Scott5114

#20
Quote from: vdeane on Today at 07:00:12 AMSo, if Clark County is taking the lead on this project, I take it that CR 215 isn't going to be transferred to NDOT and signed as I-215 any time soon.

NDOT said on /r/vegaslocals recently that they are still working on that, but it's likely to be "years down the road".
uncontrollable freak sardine salad chef

Rothman

Quote from: vdeane on Today at 07:00:12 AMSo, if Clark County is taking the lead on this project, I take it that CR 215 isn't going to be transferred to NDOT and signed as I-215 any time soon.

Not sure what the incentive would be for NDOT to do so.  Why take on that cost?
Please note: All comments here represent my own personal opinion and do not reflect the official position(s) of NYSDOT.

roadfro

Quote from: Scott5114 on Today at 07:15:12 AM
Quote from: vdeane on Today at 07:00:12 AMSo, if Clark County is taking the lead on this project, I take it that CR 215 isn't going to be transferred to NDOT and signed as I-215 any time soon.

NDOT said on /r/vegaslocals recently that they are still working on that, but it's likely to be "years down the road".

Being the lead agency overseeing a construction project doesn't necessarily mean anything.

With exception of a few of the system interchanges, Clark County has taken the lead on the beltway projects all along—it has been the county's original 1990 Question 10 tax funding (and subsequent extension/modification to said funding) that has generated the vast majority of the funding used to construct the beltway to begin with. But even since inception of the 215 beltway concept, it's always been said that the plan is for NDOT take over the 215 eventually.

In another example, I believe it was Southern Nevada RTC that ended up being the lead agency behind phase two of the Boulder City Bypass project (US 95 to the Hoover Dam interchange), and that project constructed the initial segment of I-11, which has been under NDOT jurisdiction since completion.

Quote from: Rothman on Today at 08:26:39 AMNot sure what the incentive would be for NDOT to do so.  Why take on that cost?

The same could be said for NDOT taking over Summerlin Pkwy... On the surface, there wasn't a real big incentive for NDOT to take over that freeway from the City of Las Vegas. However, the same year NDOT took on maintenance for Summerlin Pkwy from the city, they relinquished maintenance of two significant chunks of SR 159/Charleston Blvd within city limits (one being near the downtown/Arts District).

The opportunity for NDOT to relinquish maintenance/ownership of arterial roadways that are also state highways within the urbanized, unincorporated county areas via trade or other agreement is likely very enticing for both sides. Many of these are likely NDOT-controlled due to how the roads were funded and constructed decades ago when the Vegas valley was still growing, but having such roadways under NDOT control nowadays likely no longer makes sense in a lot of cases, and can be an added layer of bureaucracy, e.g. in land development matters. Now I don't know that there's enough lane miles of urban arterial SRs left in the unincorporated parts of the valley for an even swap for the remaining ~40 miles of beltway... But part of the criteria guiding potential jurisdictional transfers now roadways in higher functional classifications should be included in the state highway system.
Roadfro - AARoads Pacific Southwest moderator since 2010, Nevada roadgeek since 1983.



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