Interstate 64 Interstate 270 to Interstate 70, U.S. 40/61-Wentzville
EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 west of I-270. WB I-64/U.S. Rt 40; NB U.S Rt. 61 west of I-270. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 near Mason. EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 west of Mason. WB I-64/U.S.Rt. 40; NB U.S. Rt. 61 in Town and Country. A BGS in Chesterfield. A BGS on NB MO St Rt 141. A BGS on NB MO St Rt 141. A BGS on WB I-64/U.S. Rt. 40; NB U.S. Rt. 61. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 at MO St Rt 141. EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 west of MO St Rt 141. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 near Maryville Center. WB I-64/U.S. Rt. 40; NB U.S. Rt 61 near Timberlake Manor. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 near Chesterfield Parkway. WB I-64/U.S. Rt. 40; NB U.S Rt 61 in Chesterfield. A BGS on SB MO St Rt 340. A guide marker on NB MO St Rt 340. A BGS on NB MO St Rt 340. A BGS on Chesterfield Pkwy West. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 wast of Chesterfield Parkway. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 at Boone's Crossing. WB I-64/U.S Rt. 40; NB U.S. Rt. 61 at Boone's Crossing. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 at Boone's Crossing. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 west of Boone's Crossing. EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 near Spirit of St. Louis Airport. EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 east of Chesterfield Airport Road. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 near the Missouri River. EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 entering the Chesterfield Valley. EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 at the St. Charles/St. Louis County Line. EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 crossing the Missouri River. EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 at the Missouri River. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 has the older bridge across the Missouri River. There are no shoulders and no passing on the bridge. A closer look at the signs on the bridge. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 crossing the Missouri River. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 at the Boone Bridge. (October, 2022) WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 at the Boone Bridge. (October, 2022) WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 at the Boone Bridge. (October, 2022) WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 west of the Boone Bridge. EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 east of Research Park Circle. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 at Research Park Circle. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 near Weldon Springs. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 east of MO St Rt 94. EB I-64/U.S. Rt. 40; NB U.S. Rt. 61 east of MO St Rt 94. A junction marker on WB MO St Rt 94. A BGS on WB MO St Rt 94. The former western end marker near Welson Springs. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 at MO Sec St Rt DD. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 south of MO St Rt 364/MO Sec St Rt N. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 near MO Sec St Rt N. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 at Town Square Road. EB I-64/U.S. Rt. 40; SB U.S Rt. 61 south of MO St Rt 364/MO Sec St Rt N. A BGS on WB MO St Rt 364. A BGS on WB MO St Rt 364. A BGS on WB MO St Rt 364. A BGS on EB MO St Rt 364. A BGS on EB MO St Rt 364. A BGS on WB MO St Rt 364. A junction marker on MO Sec St Rt N. EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 at MO St Rt 364/MO Sec St Rt N. EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 west of MO St Rt 364/MO Sec St Rt N. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 west of MO St Rt 364/MO Sec St Rt N. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 near Lake St. Louis. The current western end marker near I-70. (September, 2010) EB I-64/U.S. Rt. 40; SB U.S. Rt. 61 east of Prospect Road. WB I-64/U.S. Rt. 40; NB U.S. Rt. 61 at Prospect Road. A BGS on EB I-70/U.S. Rt. 40.