EXHIBIT 32.1

PROVIDENCE AND WORCESTER RAILROAD COMPANY
CERTIFICATIONS PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Providence and Worcester Railroad Company (the Company) on form 10-Q for the quarterly period ended June 30, 2011, as filed with the Securities and Exchange Commission on the date hereof (the Report), I, Daniel T. Noreck, Treasurer and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)	The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

By:	/s/ Daniel T. Noreck
	Daniel T. Noreck
	Treasurer and Chief Financial Officer  August 12, 2011