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andy3175:
This is a general topic thread for South Dakota roads and highways. I don't think one exists already.

Here is an article related to traffic conditions on Colorado Boulevard in Spearfish. This is the segment that parallels Interstate 90 and US 14-85 between Exit 14 (Business 90 and US 14A) and Exit 17 (US 85).

https://www.bhpioneer.com/local_news/spearfish-reviews-traffic-study-at-colorado-blvd/article_65cfeed2-af6c-11eb-9b68-fb5e1f551bef.html


--- Quote ---As due diligence in preparation for the 40-acre sports complex being built along with the 180-lot housing development currently under construction near Exit 17, city officials contracted with HDR, Inc. to complete a traffic impact study for the area to see what issues might need to be addressed as the sporting events center attracts more travelers to Spearfish.

The study focused on five intersection points around the development area – the Interstate – 90 on and off ramps at Exit 17; the intersection of Colorado Boulevard and U.S. Hwy. 85; the intersection of St. Onge Road and U.S. Hwy. 85; and the four-way intersection at Colorado Boulevard and Rainbow Road. The study also looked at three entry and exit points to the development area. ...

Two of the intersections would be operating at a service level of ‘F’ by 2022 if no improvements were made.

One of those intersections is the westbound ramp terminal at Exit 17; however, that deterioration won’t be caused by the development, so those improvements will be monitored and made by the South Dakota Department of Transportation (DOT). The other issue was identified at the intersection of Colorado Boulevard and Highway 85, which the study shows, will be impacted by the development.
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andy3175:
Summer construction season is coming to Sioux Falls...

https://kelo.com/2021/05/07/165550/

Projects include:

+ Interstate Crossroads Interstate 29 & Interstate 90 - Interstate 29 from mile marker 5 to 119 and Interstate 90 from mile marker 380 to 396. Work activities include guardrail upgrades, grading, paving, and culverts

+ Interstate 29 from milepost 62 to 71 - concrete pavement repair and upgrade

+ Interatate 229 and 26th St interchange (Exit 5) Sioux Falls - replacement and upgrade of concrete paving, curb, and sidewalks

+ S.D. Highway 18 through the city of Canton (478th Ave. to the South Dakota state line) - pavement repair, accessible curb and walkways, and related work

+ S.D. 19 from S.D. 42 to Parker and S.D. 44 from Parker to the junction with S.D. 19 - pavement repair, intersection improvements, turn lanes, culverts, and related work

+ SD Highway 46 Beresford - pavement work will restrict traffic to one lane

+ Veteran’s Parkway in Sioux Falls - bridge painting and fence installation at Interstate  90 Bridge and Big Sioux River Bridge

andy3175:
Landslide repair is underway at South Dakota 36 near Custer State Park. The project will address current damage and help prevent more landslides in the future.

https://www.einnews.com/amp/pr_news/539019360/landslide-repair-on-s-d-highway-36-east-of-custer-state-park-to-begin-this-week


--- Quote --- The South Dakota Department of Transportation says crews will begin the first phase of a two-phase project with landslide repair on S.D. Highway 36 at mile marker 41.27, east of Custer State Park, on Thursday, April 22, 2021.
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SM-G975U

SD Mapman:

--- Quote from: andy3175 on May 08, 2021, 07:34:05 PM ---This is a general topic thread for South Dakota roads and highways. I don't think one exists already.

Here is an article related to traffic conditions on Colorado Boulevard in Spearfish. This is the segment that parallels Interstate 90 and US 14-85 between Exit 14 (Business 90 and US 14A) and Exit 17 (US 85).

https://www.bhpioneer.com/local_news/spearfish-reviews-traffic-study-at-colorado-blvd/article_65cfeed2-af6c-11eb-9b68-fb5e1f551bef.html


--- Quote ---As due diligence in preparation for the 40-acre sports complex being built along with the 180-lot housing development currently under construction near Exit 17, city officials contracted with HDR, Inc. to complete a traffic impact study for the area to see what issues might need to be addressed as the sporting events center attracts more travelers to Spearfish.

The study focused on five intersection points around the development area – the Interstate – 90 on and off ramps at Exit 17; the intersection of Colorado Boulevard and U.S. Hwy. 85; the intersection of St. Onge Road and U.S. Hwy. 85; and the four-way intersection at Colorado Boulevard and Rainbow Road. The study also looked at three entry and exit points to the development area. ...

Two of the intersections would be operating at a service level of ‘F’ by 2022 if no improvements were made.

One of those intersections is the westbound ramp terminal at Exit 17; however, that deterioration won’t be caused by the development, so those improvements will be monitored and made by the South Dakota Department of Transportation (DOT). The other issue was identified at the intersection of Colorado Boulevard and Highway 85, which the study shows, will be impacted by the development.
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Yeah the problem with that area is when the city annexed out there they inherited the narrow no-shoulder Lawrence County-maintained service road (which is absolutely terrifying to ride a bike on, least on that stretch) and now they're trying to develop that area over what the county anticipated. I'm not sure what the DOT project on 85 is, but if they add stoplights to Exit 17 and the Colorado/St. Onge intersection that would solve a lot of problems.

PastTense:

--- Quote ---South Dakota drivers are paying a deadly toll for disregarding the rules of the road.

Drivers who are speeding, not wearing seat belts, and/or having consumed alcohol and other intoxicants, are dying at a much higher rate than in recent years, according to a report from the state Department of Public Safety.

Because of that bad behavior behind the wheel, more died on South Dakota highways and roads in 2020 than 2019, with 141 people killed in 132 fatal crashes in 2020, according to the DPS. There was a 38% increase in fatalities, as 102 people died on South Dakota highways and roads in 2019.
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https://www.bhpioneer.com/local_news/a-deadly-toll-sd-has-highest-increase-in-fatal-crashes-in-the-nation-in-2020/article_c1e02b2a-9efe-11eb-9397-6f626da1e557.html

Surprising.

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