BOSTON-The Massachusetts Turnpike Authority delays putting out the request for proposals to design the surface artery here--the huge swath of land that will run through the heart of the city here when the Big Dig puts the highway underground.

BOULDER, CO-The 16,000-sf, $4.2-million Colorado headquarters of the Nature Conservancy is designed for maximum energy efficiency, down to carpets that can be recycled into new carpet when it needs to be replaced.

PHILADELPHIA-Excavation begins on the new baseball-only venue. The 43,000-seat, natural-grass venue has been configured to give maximize views of the city skyline. First pitch will be thrown in 2004.

NEW YORK CITY-Widely published reports stating that Larry Silverstein will begin construction on a new office tower at the Seven World Trade Center site are unfounded, according to a spokesman for the developer.