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Corridor preservation for a proposed new interchange at U.S. 151 and Linn County Road X-20 Intersection in Springville

The Iowa DOT is providing public notice of corridor preservation for a proposed new interchange at U.S. 151 and Linn County Road X-20 Intersection in Springville, in Linn County. This notice includes a depiction of the corridor preservation area on a map. Width of the corridor preservation zone varies depending upon location within the corridor. Corridor preservation is a tool the Iowa DOT uses to preserve land for future highway needs. It does not restrict development in any way, but merely offers the DOT a chance to review the proposed development when notified by the city or county.

The Iowa DOT is implementing corridor preservation for this project on July 29, 2022. It is the intent of the Iowa DOT to continue to utilize corridor preservation for this project. The Iowa DOT may need to acquire additional right of way or property rights within this designated area to improve safety at the County Road X-20 and U.S. 151 intersection with a new proposed interchange. This interchange will physically separate the county road traffic from the U.S. 151 traffic and access to U.S. 151 will be via new ramps.

This notice shall be valid for a period of three years from the date of publication of notification of city or county and may be refiled by the Iowa DOT every three years.

Per Iowa Code 306.19(5), each city and county within the designated preservation corridor shall provide written notification to the Iowa DOT of: (1) an application for a building permit for construction valued at $25,000 or more; (2) submission of a subdivision plat; or (3) proposed zoning change within the area. Notification must be provided to the Iowa DOT at least 30 days prior to granting the proposed building permit, approving the subdivision plat, or changing the zoning. Written notification shall include all pertinent information regarding the proposed permit, plat, or zoning change.

If the Iowa DOT, within the 30-day period, notifies the city or county in writing that the Iowa DOT is proceeding to acquire all or part of the property or property rights affecting the area, the city or county shall not issue the building permit, approve the subdivision plat, or change the zoning. The Iowa DOT may apply to the city or county for an extension of the 30-day period. After a public hearing on the matter, the city or county may grant an additional 60-day extension of the period.

The Iowa DOT shall begin the process of acquiring property or property rights from affected persons within 10 days of the Iowa DOT’s written notification of intent to the city or county.

The city or county written notification shall be submitted to the Iowa DOT contact listed below.



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Project contact

Catherine Cutler, district transportation planner
Iowa DOT District 6 Office
5455 Kirkwood Blvd. SW
Cedar Rapids, Iowa 52404
Email: Catherine.cutler@iowadot.us
Phone: 319-364-0235 or 800-866-4368


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Iowa DOT ensures nondiscrimination and equal employment in all programs and activities under Title VI and Title VII of the Civil Rights Act of 1964 and other nondiscrimination statutes. Contact Iowa DOT Civil Rights at 515-239-1111 or civil.rights@iowadot.us if you have questions or concerns.

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