Route 340 marker

Route 340

MO 340 highlighted in red
Route information
Maintained by MoDOT
Length19.726 mi[1] (31.746 km)
Major junctions
West end Route 100 (Manchester Road) in Ellisville
Major intersections
East endFerguson Avenue in University City
Location
CountryUnited States
StateMissouri
Highway system
Route 291 Route 350

Route 340 also called Clarkson Road or Olive Boulevard is a highway in the St. Louis metropolitan area. Its western terminus is Route 100 (Manchester Road) in Ellisville, and its eastern terminus is at an intersection with Ferguson Avenue and Olive Boulevard in University City. The stretch of Route 340 between Manchester Road and the Interstate 64 / U.S. 40 / U.S. 61 interchange is known locally as Clarkson Road. The remainder of Route 340 between this intersection and its eastern terminus is variously known as Olive Boulevard (which does not connect with Olive Street in the city of St. Louis). Route 340 ends at Ferguson Avenue in University City, but Olive Boulevard continues to Skinker Boulevard on the St. Louis city line.

Route description

Mass transit

MetroBus Route 91 (Olive) travels the entirety of the Olive Street Road and Olive Boulevard part of Route 340 from Chesterfield Mall to the Delmar Loop. Part of MetroBus Route 58X (Twin Oaks Express) travels along the entirety of Clarkson Road.

Major intersections

The entire route is in St. Louis County.

Locationmi[1]kmDestinationsNotes
Ellisville0.0000.000 Route 100 (Manchester Road) / Kiefer Creek Road southSouthern terminus
Chesterfield4.1306.647Chesterfield ParkwayInterchange
4.6017.405
I-64 / US 40 / US 61 (Avenue of the Saints) Wentzville, St. Louis
Exit 19B on I-64 / US 40 / US 61
8.94214.391 Route 141 (Maryland Heights Expressway)Single point urban interchange
Creve Coeur11.50318.512 I-270Exit 14 on I-270
13.98322.503 US 67 (Lindbergh Boulevard)Cloverleaf interchange
Olivette16.31026.248 I-170Exit 3 on I-170
University City19.72631.746Ferguson Avenue / Olive Boulevard eastEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

Template:Attached KML/Missouri Route 340
KML is not from Wikidata
  1. 1 2 Missouri Department of Transportation (March 18, 2015). MoDOT HPMAPS (Map). Missouri Department of Transportation. Retrieved March 18, 2015.


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