I-40 from west of NC 801 in Davie County to east of SR 1101 (Harper Road/Tanglewood Business Park Road) in Forsyth County, federal aid no. NHIMF-40-3(112)180, state project no. 8.1610401, WBS no. 34147.1.2, T.I.P. project no. I-0911A : environmental assessment