Iowa Senate Bill SSB3063

Iowa 2025-2026 Regular Session

• Introduced: 1/22/26
• Refer: 1/22/26

Caption

A bill for an act relating to the installation of transmission lines on highway rights-of-way.(See SF 2214.)

Summary

This bill changes Iowa law governing how transmission lines may be installed along highway rights-of-way. It requires the Department of Transportation (DOT), upon written request, to coordinate with a utility or transmission line developer to review highway corridors for possible transmission line locations and to assign a project coordinator within 30 days. The DOT must also share known plans for future highway projects in the corridor when those projects could affect transmission line siting. The bill also limits the DOT’s ability to block longitudinal transmission line installations on primary road rights-of-way, including interstate rights-of-way. Under the bill, the DOT may deny such an installation only if it would endanger public safety or interfere with the proper function of the highway, and it must publicly explain any denial within 90 days. In addition, the bill revises the utility accommodation framework for freeway rights-of-way and updates the statutory language directing transmission lines to be placed near, parallel to, and within highway rights-of-way where practicable and reasonable.

Impact

The bill would narrow DOT discretion over transmission line placement on highway rights-of-way and create a more formal coordination process between the DOT and utility or transmission line developers. It would affect sections of the Iowa Code governing highway utility accommodation, utility easements, and transmission line routing, while also touching the relationship between DOT authority and the Iowa Utilities Commission’s existing jurisdiction. The bill could make it easier for transmission projects to use highway corridors and could increase transparency and predictability for developers, while also imposing new procedural duties on the DOT.

Sentiment

The available materials suggest a generally pro-development and coordination-oriented approach, with the bill framed as improving planning, reducing conflicts, and facilitating transmission infrastructure siting. No committee transcript or vote record is available here, so there is no direct evidence of opposition or support from recorded debate. The bill text itself emphasizes accommodation, notice, and public explanation rather than broad discretionary denial authority, indicating a policy preference for enabling transmission development along transportation corridors.

Contention

The main point of contention is likely the balance between utility/transmission development and DOT control over highway safety and operations. The bill limits the DOT’s ability to deny installations and requires public disclosure of denial reasons, which may concern transportation officials or others worried about preserving agency discretion. Another possible issue is the interaction with the Iowa Utilities Commission’s authority over utility routing, since the bill explicitly says it does not expand DOT authority into areas reserved to the commission. The change to lease and payment agreement terms for the living roadway trust fund may also draw attention because it alters existing funding arrangements.