Interstate 70 Missouri – West

An Interstate 70 trailblazer lined the two-lane ramp onto the freeway leading north through the city to Jennings and Lambert-St. Louis International Airport. The mainline of I-70 utilized this ramp, which reduced to a single lane beyond the Memorial Drive off-ramp, until February 9, 2014. 06/01/11

Following the ramp to Interstate 70 west, traffic separated with a slip ramp joining Memorial Drive to Jefferson National Expansion Memorial. 06/01/11

Interstate 70 carried four lanes below the Poplar Street Bridge interchange linking with I-55 south. 06/01/11

The original I-70 mainline split with an off-ramp to Memorial Drive. These ramps were rebuilt during the Poplar Street Bridge Ramp project in 2016-17. 06/01/11

Interstate 70 dropped below grade between Jefferson National Expansion Memorial and Downtown. 05/03/12

The trenched freeway continued 1.5 miles north to Exit 249A with Madison Street. 05/03/12

Interstate 44 / Former I-70 continued north with four overall lanes below a series of overpasses starting with Walnut Street. 05/03/12

Passing under Market Street along Interstate 44 east / Former I-70 west. This scene changed by October 2015 as part of the CityArchProject, with a lid constructed between Market and Chestnut Streets. 05/03/12

The Chestnut and Market Street overpasses were removed as both streets were shortened to tie into a reconfigured Memorial Drive to the west. Memorial Drive north was also removed from Walnut Street through to the new I-44 eastbound off-ramp to Washington Avenue. 05/03/12

The former I-44 on-ramp from Memorial Drive northbound was replaced by the new off-ramp to Washington Avenue and the Eads Bridge as part of the CityArchProject. This view looked at the old I-70 on-ramp north of Pine Street. 10/16/04

Elevating on a viaduct from Washington Avenue north to Carr Street, I-70 continued one mile to Exit 249A with Madison Street. This ramp now departs from within the interchange joining the ending I-44 with the Stan Musial Veterans Memorial Bridge. 05/03/12

Construction of the CityArchProject expanded the on-ramp from parallel 3rd Street and the MLK Bridge to two lanes. This is the lone ramp to Interstate 44 east from Downtown. 10/16/04

A glimpse of the Martin Luther King Bridge (unsigned Missouri 799) from the I-44 viaduct near Carr Street and the Edward Jones Dome. The cantilever span is the historic alignment of U.S. 40-55-66. 10/16/04

The reversible I-70 Express Lanes began from the freeway westbound at North Broadway. These were converted to inbound only in 2004. 05/03/12

The reversible I-70 Express Lanes began from the freeway westbound at North Broadway. These were converted to inbound only in 2004. 05/03/12

The new tri-level stack interchange for the Stan Musial Veterans Memorial Bridge concludes Interstate 44 beyond the forthcoming Cass Avenue overpass. 05/03/12

Affixed to the original Cass Avenue overpass (since replaced during work to construct the new interchange with Interstate 70), was a sign proclaiming the six mile stretch of I-70 within the city of St. Louis as the Mark Mc Gwire Highway. 10/16/04

A left entrance ramp joined the Express Lanes from 7th Street and Cass Avenue. This ramp was removed, as was the 7th Street overpass, during work to build the new Mississippi River Bridge for I-70. A second elevated intersection between 9th and Howard Streets was also removed from above the freeway. 10/16/04

Pier supports that now support both the ramps between the Stan Musial Veterans Memorial Bridge and Tucker Boulevard and the I-70 eastbound flyover to the new Mississippi River crossing. 05/03/12

The ramp for Madison Street (old Exit 249A) was shifted slightly to the south to accommodate the new ramp from Interstate 70 west. 05/03/12

The formerly reversible Express Lanes for I-70 in St. Louis ended westbound at Exit 244A. 10/16/04

An interchange sequence sign posted one quarter mile ahead of MO 180 was revised by 2012 to show I-270 as 1.5 miles away instead of two. Additionally Maryland Heights Expressway was added for Exit 231, reflecting completion of the MO 141 route south to Chesterfield. 10/16/04

Older mileage signs on I-70 spelled out Interstate junctions. 10/16/04

With expansion of Exit 232 to two lanes from I-70 west, sign replacements were at I-270. 10/16/04

This button copy overhead was posted one mile ahead of Exit 220 with Missouri 79 north and Salt Lick Road south on Interstate 70 west at the Mid Rivers Mall Drive overpass. 05/03/12

A lane drop occurred at the Missouri 79 off-ramp (Exit 220) until sometime after 2004. I-70 maintains four through lanes west to Exit 217 now. 10/16/04

Center alignment of the Exit 216 tab was retained in the replacement sign for Bryan Road. 10/16/04

Replaced overhead signage at Exit 219 on I-70 west. Belleau Creek passes under the freeway just east of the overpass. 10/16/04

Sign changes made at Exit 214 added Boulevard to Lake St. Louis. 10/16/04

A ground level button copy sign was posted two miles ahead of U.S. 40/61. 10/16/04

One mile east of the directional cloverleaf interchange with U.S. 61 (Avenue of the Saints) north and I-64/U.S. 40-61 east. Guide sign changes reflecting I-64 replaced Wentzville with Chesterfield. 10/16/04

Former ground level sign posted ahead of U.S. 61 north on I-70 west. 10/16/04

The old button copy sign for U.S. 61 was temporarily positioned during construction to upgrade Exit 210. 10/16/04

A new loop ramp was added for U.S. 40 east / U.S. 61 south (Exit 210A) after 2004. It replaced this ramp and its left-hand turn. 10/16/04

Sign changes were made along I-70 west for Exits 8B/A for Interstate 435 during construction in 2011. 10/17/04

These signs were also replaced by arrow per lane (APL) signs during the 2010-12 I-70 and I-435 interchange reconstruction project. 10/17/04

A lane drop formerly occurred along Interstate 70 west at Exit 8A for I-435 south. A third westbound lane opened by early 2012. 10/17/04

Gore point signage posted for Interstate 435 south. The expansion project during 2011 claimed this panel. 10/17/04

Approaching the 1950s-built Manchester Bridge spanning the Blue River, UP and KCS Railroad lines. These viaducts were replaced by 2015, and ramps for Manchester Trafficway redesigned. Sign changes made prior to the work replaced the I-670 reference and added U.S. 40 for Exit 7A. 10/17/04

A new APL sign replaced this assembly at Exit 12 in Kansas City during the Manchester Bridge Project. 06/18/15