Regional Boards > Central States
Rapid City area road construction and South Dakota's first DDI
M86:
--- Quote from: X99 on September 21, 2019, 10:33:56 PM ---So on my way to and from work on I-90 between Exits 61 and 63, I've noticed that the Mall Drive extension has started construction, except for the portion where it ties into the service road routing. And yet the signs on Americas Way still all show a Seger Drive extension instead, with one sign at the end showing what they're actually doing.
Also, the first roadway forming the Shepherd Hills development (shown in plans as an extension of Valley Drive) seems to have stopped after finishing the curbs for a few hundred yards, and the Anamosa extension looks like it's still just graded dirt (at least, that's how it looks from the last turnoff to the Menards parking lot).
Are there any other road projects in the Rapid City area planned anytime soon (namely, extending Cheyenne Boulevard to Radar Hill Road and rebuilding Highway 1416 as a three FIVE lane undivided highway), and what is the timetable on Anamosa Street and Valley Drive?
--- End quote ---
DDIs are also planned at 41st Street/I-29 in Sioux Falls, and at SD 11/I-90 in Brandon, but the one in Rapid City should open first.
As far as Rapid City SDDOT projects, this is taken from the 2020-2023 STIP, minus the LaCrosse Street interchange and the Box Elder project you mentioned, and a ton of small type of routine projects:
These are in 2020.
Location:
Sheridan Lake Road from Jct. of US 385 to Alberta Road.
Type of improvement:
Grading, Base Course, C&G, AC Surfacing.
Location:
SD 44 (Omaha St) - Fm Mt. View Rd to the start of the divided lanes Near 12th St.; SD 231 (W Chicago/W Omaha) - Fm St to Mt View Rd (SD 44) in Rapid City.
Type of improvement:
Urban Grading, Storm Sewer, Curb & Gutter, Sidewalk, Traffic Signals, PCC Surfacing, Lighting; Str Repair & Widening Over Rapid Creek.
Location:
SD 445 - Deadwood Ave and Krebs Drive.
Type of improvement:
Install Left Turn Lane.
And, preliminary engineering at US 16/Catron Blvd. If I remember correctly, they are considering many at-grade and grade-separated options, including a DDI. Also under consideration is an Echelon interchange and a Continuous Flow Intersection for US 16/Catron, which are both that we don't even have in our region. The only Continuous Flows that I know of are in Salt Lake City. No idea where Echelon interchanges are.
There are also various smaller projects like ADA ramp upgrades, pavement restorations, etc.
That's state projects. I tried to find information on the city's website for Rapid City and wasn't successful, although I didn't spend a lot of time digging.
X99:
--- Quote from: M86 on October 02, 2019, 12:39:14 AM ---DDIs are also planned at... SD 11/I-90 in Brandon
--- End quote ---
I have never heard of the one proposed in Brandon until now. And as of 2018 Street View, there isn't even a stoplight at that interchange.
--- Quote from: M86 on October 02, 2019, 12:39:14 AM ---...preliminary engineering at US 16/Catron Blvd. If I remember correctly, they are considering many at-grade and grade-separated options, including a DDI. Also under consideration is an Echelon interchange and a Continuous Flow Intersection for US 16/Catron, which are both that we don't even have in our region. The only Continuous Flows that I know of are in Salt Lake City. No idea where Echelon interchanges are.
--- End quote ---
I once mentioned in a Fictional thread that it would be nice to have a grade-separated interchange at US 16 and Catron, though in my mind it was a Haines-style SPUI due to all of the businesses popping up near that intersection. (This was in Fictional because it was coupled with a proposal to tunnel I-190 under downtown to extend the interstate designation to the bypass intersection.) And after looking up what an Echelon interchange is, I don't think it would fit in the space available unless the entire intersection was somehow shifted north.
kphoger:
--- Quote from: X99 on October 02, 2019, 12:38:20 PM ---
--- Quote from: M86 on October 02, 2019, 12:39:14 AM ---DDIs are also planned at... SD 11/I-90 in Brandon
--- End quote ---
I have never heard of the one proposed in Brandon until now. And as of 2018 Street View, there isn't even a stoplight at that interchange.
--- End quote ---
If you're interested, take a look at this .pdf for more information.
M86:
--- Quote from: ozarkman417 on September 23, 2019, 10:09:16 PM ---Dang, I never realized how much Rapid City likes SPUIs. If more areas get DDIs, there will be less confused tourists here, where DDIs are everywhere.
--- End quote ---
SDDOT loves SPUIs. Look at I-29 through north Sioux Falls. That area was rebuilt in the early 2000s. There's 3 of them at Benson Road, Madison Street, and 12th Street.
X99:
--- Quote from: M86 on October 04, 2019, 03:58:04 AM ---
--- Quote from: ozarkman417 on September 23, 2019, 10:09:16 PM ---Dang, I never realized how much Rapid City likes SPUIs. If more areas get DDIs, there will be less confused tourists here, where DDIs are everywhere.
--- End quote ---
SDDOT loves SPUIs. Look at I-29 through north Sioux Falls. That area was rebuilt in the early 2000s. There's 3 of them at Benson Road, Madison Street, and 12th Street.
--- End quote ---
South Dakota loves SPUIs as much as Missouri loves DDIs.
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