The state conditionally approved the Liberty Junction proposal for the new Regional Justice Center to replace the Roderick L. Ireland Courthouse – a location not in the central business/residential center, but the far side of the railroad tracks – requesting a re-design of the building to only 220,00 square feet – to reduce the cost.However, the Worcester courthouse, built in 2007, measures 427,000 square feet and the Lowell Courthouse (LEED Pla…