TRENTON, NJ-Officials expect the 34-mile line, which will link this state capital city with Camden to the south, to generate economic development along its route. The system also has a new--and much shorter--name.

COSTA MESA, CA-Frank B. Moson is named president of Stadium Seating Enterprises, a specialist in designing and fabricating stadium seating systems for movie theaters, auditoriums, churches and corporate meeting facilities.

ATLANTA-The Atlanta Regional Commission is reviewing plans from T.T.A. LLC to develop a mixed-use venture that would include 200 townhouses on a 43-acre tract three miles southeast of Buford and about 25 miles northeast of Downtown Atlanta.

GLEN BURNIE, MD-Quarterfield Center is looking attractive to space seekers, as is evidenced by two new leases at the $18 million multi-structure business park. A dental concern and a dialysis center ink deal at the center.