Union Pacific Railroad Company (UP) has filed a verified notice of exemption under 49 CFR pt. 1152 subpart F— Exempt Abandonments and Discontinuances of Service to discontinue UP's freight operating rights over a portion of the Rialto Line of the Baldwin Park Branch extending from milepost 535.5 to milepost 537.74 and from milepost 537.78 to milepost 538.3, a total distance of approximately 2.76 miles in Rialto, San Bernardino County, Cal (the Line). The Line traverses United States Postal Service Zip Code 92376.

UP has certified that: (1) no local or overhead traffic has moved over the Line for at least two years; (2) there is no need to reroute any traffic over other lines; (3) no formal complaint filed by a user of rail service on the Line (or by a state or local government entity acting on behalf of such user) regarding cessation of service over the Line is pending either with the Surface Transportation Board (Board) or with any U.S. District Court or has been decided in favor of complainant within the two-year period; and (4) the requirements at 49 CFR 1105.12 (newspaper publication) and 49 CFR 1152.50(d)(1) (notice to governmental agencies) have been met.

As a condition to this exemption, any employee adversely affected by the abandonment shall be protected under Oregon Short Line Railroad—Abandonment Portion Goshen Branch Between Firth & Ammon, in Bingham & Bonneville Counties, Idaho, 360 I.C.C. 91 (1979). To address whether this condition adequately protects affected employees, a petition for partial revocation under 49 U.S.C. 10502(d) must be filed.

Provided no formal expression of intent to file an offer of financial assistance (OFA) ^[1] has been received, this exemption will be effective on November 1, 2026, unless stayed pending reconsideration.^[2] Petitions to stay that do not involve environmental issues and formal expressions of intent to file an OFA to subsidize continued rail service under 49 CFR 1152.27(c)(2), must be filed by October 9, 2026.^[3] Petitions for reconsideration must be filed by October 22, 2026.^[4]

All pleadings, referring to Docket No. AB 33 (Sub-No. 353X), must be filed with the Surface Transportation Board either via e-filing on the Board's website or in writing addressed to 395 E Street SW, Washington, DC 20423-0001. In addition, a copy of each pleading must be served on UP's representative: Christine A. Neuharth, Union Pacific Railroad Company, 1400 Douglas Street, MS 1580, Omaha, NE 68179.

If the verified notice contains false or misleading information, the exemption is void ab initio.

Board decisions and notices are available at www.stb.gov.