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State Route 109 Portland Bypass

Sumner County


Transportation projects are developed in four phases: Planning and Environmental, Design, Right-of-Way and Construction. The proposed State Route 109 (Portland Bypass) is currently in the Right-of-Way phase of the process.  The following is a reflection of various aspects of the project that have been completed.

Environmental Assessment (EA) Approved September 2015
NEPA Public Hearing November 2015
Finding of No Significant Impact (FONSI) Approved July 2017
Design Public Meeting August 2019

An Environmental Assessment (EA) was prepared  and a Finding of No Significant Impact (FONSI) was issued for the proposed project as part of the required National Environmental Policy Act (NEPA) process. Both documents were approved by FHWA and are available to view and/or download in the links provided below.

Approved Environmental Assessment - September 14, 2015 (PDF)
Approved Finding of No Significant Impact - July 3, 2017 (PDF)

Due to the significant cost estimate to appraise and acquire Right of Way within the project limits, the proposed improvements will be separated into two smaller sections or phases -- the Northern Segment and the Southern Segment. The anticipated timeline for each segment is as follows.

Northern Segment
ROW Appraisal/Acquisition Forecasted to begin 3rd Quarter 2020
Construction Pending Funding
Southern Segment
ROW Appraisal/Acquisition Forecasted to be Funded in 2021
Construction Pending Funding

*All forecasted dates are subject to change.