Regional Authorities and Special Districts - As enacted, adds Claiborne, Union, and Grainger counties to the membership of the North East Tennessee Railroad Authority if certain requirements are met; makes other related revisions. - Amends TCA Title 7, Chapter 56, Part 2 and Title 64, Chapter 2.

SB 1739 adds Claiborne, Union, and Grainger counties to the North East Tennessee Railroad Authority, expanding its membership to include all six counties (Anderson, Campbell, Scott, Claiborne, Union, and Grainger). The bill amends state law to formally include these three counties in the authority's structure, which aims to secure economic benefits through continued railroad service in the region. Key changes include updating membership rules in the statute to reflect the expanded county list and clarifying contract procedures for the authority. This directly affects the local governments and economic planning in Claiborne, Union, and Grainger counties by integrating them into the existing railroad coordination framework. The bill does not create new funding or services but adjusts the authority's jurisdiction to include the three newly added counties.