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U.S. 63 Super 2 Planning Study #2

About the Project

Project description

The Iowa Department of Transportation is conducting a super 2 planning study on U.S. 63 from Grinnell to Hudson. The study area is from the junction with U.S. 6, 5.7 miles east of Grinnell, north to the intersection with South Hudson Road in Hudson.

What is a super 2

A super 2 highway is a two-lane rural highway in which a periodic passing lane has been added to allow faster vehicles to pass. The passing lane typically alternates from one direction of travel to the other within a section of roadway, which allows periodic passing opportunities in both directions in a safe manner. The transitions at the beginning and end of the passing lane allow sufficient room for the diverging and merging traffic.

Information about this project

Watch a video about this project and provide your feedback. You will need to register before viewing the video.

Super 2 planning study online video

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Project contact

Allison Smyth, P.E., Assistant District Engineer
Iowa DOT District 1 Office
1020 S. Fourth St
Ames, IA 50010
Phone: 515-239-1635 or 800-899-0623

Comments and questions regarding the online meeting should be received by May 16, 2022. To submit a comment or question regarding this project, go to: .

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Iowa DOT ensures nondiscrimination and equal employment in all programs and activities in accordance with Title VI and Title VII of the Civil Rights Act of 1964 and other nondiscrimination statutes. If you need more information or special assistance for persons with disabilities or limited English proficiency, contact Iowa DOT Civil Rights at 515-239-1111 or by email at
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