Exhibit 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this registration statement (File No. 333-43573) and prospectus supplement of our reports included in Hospitality Properties Trust's Form 10-K and to all references to our Firm included in this registration statement. /s/ Arthur Andersen LLP Washington, D.C. April 29, 1999