Middlesex Warehouse Investors L.P. has begun the first phase of Crossroads Commerce Center in Middlesex, Pa. The development partnership received approval in early August to build a 300,000 sq. ft. warehouse on 37 acres at Crossroads Commerce Center. A 201,600 sq. ft. building also will be built.

The spec development is slated for delivery in January 2001. Cushman & Wakefield of Pennsylvania will lease Crossroads Business Center, which is in near Harrisburg.

Middlesex Warehouse Investors is a joint venture between New York-based Equilibrium Equities Inc. and Hanover, Pa.-based Conewago Enterprises Inc.