# Quarterly Rail Cost Adjustment Factor
**AGENCY:**
Surface Transportation Board.
**ACTION:**
Approval of rail cost adjustment factor.
**SUMMARY:**
The Board approves the third quarter 2018 Rail Cost Adjustment Factor (RCAF) and cost index filed by the Association of American Railroads. The third quarter 2018 RCAF (Unadjusted) is 1.061. The third quarter 2018 RCAF (Adjusted) is 0.449. The third quarter 2018 RCAF-5 is 0.419.
**DATES:**
*Applicable Date:* July 1, 2018.
**FOR FURTHER INFORMATION CONTACT:**
Pedro Ramirez, (202) 245-0333. Federal Information Relay Service (FIRS) for the hearing impaired: (800) 877-8339.
**SUPPLEMENTARY INFORMATION:**
Additional information is contained in the Board's decision, which is available on our website, *http://www.stb.gov.* Copies of the decision may be purchased by contacting the Office of Public Assistance, Governmental Affairs, and Compliance at (202) 245-0238. Assistance for the hearing impaired is available through FIRS at (800) 877-8339.
This action is categorically excluded from environmental review under 49 CFR 1105.6(c).
By the Board, Board Members Begeman and Miller.
Decided: June 14, 2018.
Brendetta Jones,
Clearance Clerk.