by Michael J. Shapiro | March 10, 2010

Carlson announced a comprehensive new business plan for the Radisson brand last week, as part of the Ambition 2015 project. The $1.5 billion Radisson overhaul will include new room, restaurant and service concepts, as well as the establishment of flagship hotels in key U.S. cities. New "vibrant and contemporary" room designs will be dubbed And Relax, Naturally Cool, New York Mansion, Ocean and Urban, featuring bold colors and lighting with a comfortable ambience. Two new restaurants were announced for the chain, as well: Filini, an upscale Italian restaurant; and rbg, a casual bar and grill. The brand will offer two service-level categories: the upper-upscale Radisson Blu and the upscale Radisson Green. Each hotel's category will be determined in large part by the level of investment in the property and whether it is in a primary or secondary city. Radisson currently has 422 hotels, and hopes to have at least 600 by 2015.