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project Segments

segment 1

(map below)

19th Avenue West to 13th Avenue West

Proposed Construction Schedule:  2020

Current Estimated Construction Cost:  $5.0 Million

 

Segment 1 is currently a two-lane roadway with emergency parking lanes on each side. Currently, there are designated turn lanes at 19th Avenue, 17th Avenue and 13th Avenue. The proposed improvement for this section of Sheyenne Street is a five-lane section that includes two lanes in each direction and a center left turn lane. Please refer to the Typical Section exhibit for more details. The preliminary design does not maintain the existing roadway centerline. Instead, the west curb line will remain in the approximately the same location, and the roadway will be widened to the east. Widening to the east will allow the existing trees and sidewalk on the west side of Sheyenne Street to remain in place during and after construction. The trees on between the shared-use path and the existing roadway on the east side of Sheyenne Street will most likely need to be transplanted or removed & replaced due to the widening.

segment 1 location map

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segment 2

(map below)

32nd Avenue West to 19th Avenue West and I-94/Sheyenne Street Interchange

Proposed Construction Schedule:  2018-2019

Current Estimated Construction Cost:  $17.5 Million (not including interchange)

 

Segment 2 is currently a two-lane roadway with designated turn lanes through the I-94 interchange, 26th Avenue and 32nd Avenue. The proposed improvement for this segment of Sheyenne Street is a six-lane section with a raised median and offset left turn lanes. Please refer to the Typical Section exhibit for more details. This segment will include three or four new structures; two I-94 bridges and a new bridge or bridges over the Sheyenne Diversion.

 

There are currently three alternatives proposed for the Sheyenne Street/I-94 interchange. These alternatives are described below:

 

Southwest Loop: The Southwest Loop (SWL) alternative includes constructing a loop ramp in the southwest quadrant of the interchange and a right-turn lane on the eastbound off-ramp. The westbound to northbound off-ramp is realigned with the westbound to southbound off-ramp and the westbound on-ramp. Additionally, this alternative features three through lanes in each direction under I-94 as well as turn lanes at Beaton Drive and 21st Avenue/Christianson Drive. It will require replacement of the overpass bridges to accommodate the extra Sheyenne Street lanes. This alternative has a current estimated construction cost of $17.9 million.

Southwest Loop Google Earth KMZ download

 

Northeast Ramp: The Northeast Ramp alternative adds a loop ramp in the southwest quadrant of the interchange and removes the loop ramp in the northwest quadrant replacing it with a near-side off-ramp with double left-turn lanes. Westbound to northbound and westbound to southbound vehicles will all use a new, straightened ramp. Additionally, this alternative features three lanes in both directions from 21st Avenue/Christianson Drive to the North Ramp. From the North Ramp to Beaton Drive there are two lanes in both directions. This alternative has a current estimated construction cost of $16.8 million.

Northeast Ramp Google Earth KMZ download

 

Modified Single Point Urban Interchange (MSPUI): The Modified Single Point Urban Interchange (MSPUI) alternative consolidates the two ramp intersections into one intersection. It requires new loop ramps in the northwest and southwest quadrants and realigns all on- and off- ramps. This alternative requires unique routing for the eastbound to northbound traffic as it merges into the northbound lanes on Sheyenne Street. This would operate in a similar fashion to a continuous green T-intersection, an FHWA endorsed alternative intersection design. According to FHWA, this design has been found to reduce angle crashes by 96.8 percent, injury crashes by 70 percent and total crashes by 60 percent, when compared to traditional signalized T-intersections, along with operational benefits associated with not stopping one direction of traffic (FHWA, 2010). Northbound traffic on Sheyenne Street never has to stop; auxiliary lanes are provided for the westbound to northbound traffic as well as the eastbound to southbound off-ramp traffic to facilitate a free merge. This alternative has a current estimated construction cost of $24.6 million.

MSPUI Google Earth KMZ download

segment 2 location map

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segment 3

(map below)

40th Avenue East to 32nd Avenue West to 19th Avenue West

Proposed Construction Schedule:  2019

Current Estimated Construction Cost:  $10.5 Million

 

Segment 3 is currently a two-lane roadway with designated turn lanes at 40th Avenue and 32nd Avenue. The proposed improvement for this segment of Sheyenne Street is a four-lane or six-lane section with a raised median and offset left turn lanes. Please refer to the Typical Section exhibit for more details. Currently, the project design team and the City of West Fargo are reviewing pros and cons for both the four-lane and six-lane sections. This segment of the corridor is the most confined and has the potential for the most property impacts. These impacts will include permanent right-of-way acquisition and/or temporary construction easement.

segment 3 location map

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