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Archaeological Assessment of SR 47 and SR 223 Intersection Improvement Project, STP-0004-00(732), Columbia County

Author(s)
Report Number
9184
Year of Publication
2009
Abstract

The proposed project consists of safety and intersection improvements of SR 47 at SR 223. The original approved concept proposed SR 47 and SR 223 be widened by 6-ft symmetrically at all approaches to provide left-tum lanes with an additional 12-ft to provide for auxiliary right-tum lanes. The proposed project has been changed to a roundabout, which would provide more safety advances than a stop and go traffic signal. The proposed project length has been shortened from 0.52 mile to 0.32 mile. A small amount of additional right-of-way will be required at the intersection, but not along the advances.