Design noise report : I-40 / S.R. 1228 (Liberty Road) interchange convert grade separation to an interchange and construct roadway, US 19 / US 23 (Smokey Park Highway) / NC 151 (Pisgah Highway) to SR 1224 (Monte Vista Road) with part on new location, Buncombe County, STIP project no. I-4759, WBS project no. 39970