# Quarterly Rail Cost Adjustment Factor
**AGENCY:**
Surface Transportation Board.
**ACTION:**
Approval of rail cost adjustment factor.
**SUMMARY:**
The Board has approved the first quarter 2009 rail cost adjustment factor (RCAF) and cost index filed by the Association of American Railroads. The first quarter 2009 RCAF (Unadjusted) is 1.022. The first quarter 2009 RCAF (Adjusted) is 0.467. The first quarter 2009 RCAF-5 is 0.442.
**DATES:**
*Effective Date:* January 1, 2009.
**FOR FURTHER INFORMATION CONTACT:**
Pedro Ramirez, (202) 245-0333. (Federal Information Relay Service (FIRS) for the hearing impaired: 1-800-877-8339.)
**SUPPLEMENTARY INFORMATION:**
Additional information is contained in the Board's decision, which is available on our Web site *http://www.stb.dot.gov* .
This action will not significantly affect either the quality of the human environment or energy conservation.
Pursuant to 5 U.S.C. 605(b), we conclude that our action will not have a significant economic impact on a substantial number of small entities within the meaning of the Regulatory Flexibility Act.
By the Board, Chairman Nottingham, Vice Chairman Mulvey, and Commissioner Buttrey.
Decided: December 18, 2008.
Jeffrey Herzig,
Clearance Clerk.