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Final Study Document

The I-70 Second Tier Combined Final Environmental Impact Statement and Record of Decision document has been submitted for publication in the Federal Register on Jan. 19, 2018. 

MoDOT and FHWA combined the Final Environmental Impact Statement (FEIS) and Record of Decision (ROD) in accordance with provisions on environmental documentation in the Moving Ahead for Progress in the 21st Century Act (MAP-21) and the Fixing America's Surface Transportation (FAST) Act.  MoDOT and FHWA have addressed all agency and public comments from the DEIS in the combined FEIS/ROD.

The combining of the FEIS and ROD means that there will be no comment period on the FEIS.  However, MoDOT and FHWA previously invited comments based on information provided in an EIS update packet provided to DEIS commenters and made available on this website. 

With the signing of the combined FEIS/ROD, FHWA approves MoDOT Preferred Alternative as the Selected Alternative for I-70 between the Paseo Boulevard and Blue Ridge Cutoff in Kansas City, Missouri. 

The final study document is now available on this website, as well.  

MoDOT thanks all the community members, organizations and agencies who participated in the study and helped us develop the preferred environmental alternative. 

For the final study document, please click on the document library to download the document. 

Why did MoDOT do the study?

I-70 is a critical regional and state corridor that was originally constructed over 50 years ago. With proper maintenance, this facility has outlasted its original design life of 20 years. The stretch of I-70 in the study is currently experiencing deteriorating pavement and bridges, traffic delays and congestion, and merging and weaving at interchanges.

The Second Tier EIS built on and extended the work of the I-70 First Tier EIS for future I-70. These studies identified options that would improve safety and efficiency for I-70 users, and protect neighborhoods, cultural resources and any environmentally sensitive areas in or near the corridor. 

The study resulted in suggested improvements totaling $265 million and included everything from the bus-on-shoulder concept to reduce congestion to completely rebuilding the I-435 and I-70 interchange. See a complete list of preferred changes from the Draft EIS.  (See the selected alternative.)

What is the study area? 

The study area includes all land within 200 feet of the I-70 First Tier EIS Selected Strategy (Improve Key Bottlenecks) defined footprint from west of The Paseo interchange to east of the Blue Ridge Cutoff interchange in Jackson County, Missouri.  Download the study area map here.

What is the project timeline?

The study was put on hold in 2014, but was reactivated in 2017 with the final document published in the Federal Register in January 2018.

Will the study lead to construction projects? 

Since the beginning of the study, some of the recommendations have been complete or in the design phase. For example, rebuilding the bridges at Manchester Trafficway was complete in December 2015.

Rebuilding the I-435 and I-70 interchange to remove left-hand exits is currently in design, scheduled to beging in 2019.

Study recommendations are included in Mid-America Regional Council’s Long-Range Plan.  MoDOT will program additional study recommendations in future years as funding resources become available.  Review all of the recommendations for improvement.

Developing transportation improvements involves four phases:

  • planning
  • environmental
  • design
  • construction

The I-70 Second Tier EIS is now complete. The remaining design and construction phases are contingent upon available funding. 


Click here for more information on how an idea becomes a road.



Click the Links Below to Learn More!

Click here for a map of Preferred Alternatives



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