Intersection of Highways 37 and 46 getting safety upgrades again, this time for a four-way stop
Apr. 18—TRIPP, S.D. — One of the Mitchell region's most notorious highway intersections is being made safer by the South Dakota Department of Transportation.
The SDDOT said Thursday it is beginning an intersection and lighting project that will make the Bon Homme County intersection of State Highways 37 and Highway 46 a four-way stop.
The $205,000 project will be completed by July 18 and will improve lighting, pavement markings and signage, the department said.
Historically, the intersection has had a stop sign for east-west traffic at Highway 46, while no stop sign for north-south traffic on Highway 37, although the intersection has previously had a caution light for drivers. In 2017, SDDOT installed a Rural Intersection Conflict Warning System, which alerts drivers of vehicles on the intersecting road of oncoming traffic. It was one of the first two intersections in the state to be equipped with that type of signal.
The intersection, which is located about 10 miles south of Tripp and 15 miles east of Wagner, had a fatal crash last in 2023, when a driver in an SUV failed to stop at a Highway 46 stop sign and was T-boned by a tractor-trailer on Highway 37. There was also a crash in 2020 that left a person incapacitated at the intersection, according to the state's Crash Analysis Tool.
According to traffic data collected in 2024, Highway 37 has about 1,400 vehicles per day in that section and the Highway 46 sections around the intersection average between 500 and 700 vehicles per day. According to a 2022 survey, of the recorded traffic on Highway 37 in that area, about 25% to 30% is truck traffic.
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Intersection of Highways 37 and 46 getting safety upgrades again, this time for a four-way stop
Apr. 18—TRIPP, S.D. — One of the Mitchell region's most notorious highway intersections is being made safer by the South Dakota Department of Transportation. The SDDOT said Thursday it is beginning an intersection and lighting project that will make the Bon Homme County intersection of State Highways 37 and Highway 46 a four-way stop. The $205,000 project will be completed by July 18 and will improve lighting, pavement markings and signage, the department said. Historically, the intersection has had a stop sign for east-west traffic at Highway 46, while no stop sign for north-south traffic on Highway 37, although the intersection has previously had a caution light for drivers. In 2017, SDDOT installed a Rural Intersection Conflict Warning System, which alerts drivers of vehicles on the intersecting road of oncoming traffic. It was one of the first two intersections in the state to be equipped with that type of signal. The intersection, which is located about 10 miles south of Tripp and 15 miles east of Wagner, had a fatal crash last in 2023, when a driver in an SUV failed to stop at a Highway 46 stop sign and was T-boned by a tractor-trailer on Highway 37. There was also a crash in 2020 that left a person incapacitated at the intersection, according to the state's Crash Analysis Tool. According to traffic data collected in 2024, Highway 37 has about 1,400 vehicles per day in that section and the Highway 46 sections around the intersection average between 500 and 700 vehicles per day. According to a 2022 survey, of the recorded traffic on Highway 37 in that area, about 25% to 30% is truck traffic.
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