Missouri Route 30


Missouri Route 30

Route 30 marker

Route 30
Gravois Road/Gravois Avenue
Route information
Maintained by MoDOT
Length: 59 mi (95 km)
Existed: 1922 – present
Major junctions
East end: I-44.svgI-55.svg I-44/I-55 in St. Louis
  MO-366.svg Route 366 in St. Louis
MO-supp-P.svg Route P in Grantwood Village
US 50.svgUS 61.svgUS 67.svg US 50/61/67 in Sunset Hills
I-270.svg I-270 in Sunset Hills
MO-141.svg Route 141 in Fenton
MO-47.svg Route 47 west of Lonedell
West end: I-44.svg I-44 in St. Clair
Highway system

Missouri Highways
Supplemental

I-29 Route 31

Route 30 is a highway in eastern Missouri. Its eastern terminus is at the Interstate 55/Interstate 44 junction in St. Louis. Its western terminus is at Interstate 44 in St. Clair. In St. Louis, the section between Interstate 44 and Route 366 is part of historic U.S. Route 66 and is marked as such. In the St. Louis area, it is known as Gravois Avenue or Gravois Road. Further south, Gravois Rd is used to mark the old section of the highway where the newer, divided highway rerouted Highway 30.

Route description

Route 30 begins as it crosses over Interstate 55 at I-55's interchange with I-44. The four-lane road turns southwest as Gravois Rd and, after about two miles (3 km), intersects Route 366. Shortly after the intersection with Route 366(where a Quiktrip is now open), the road becomes a narrow street passing through some older parts of St. Louis. At the city limits of St. Louis, it continues into the suburban area (unincorporated). Shortly before reaching Grantwood Village is the northern terminus with Route 21. About two miles (3 km) further west is the intersection with Lindbergh Blvd (US 61/US 67/US 50) and the road becomes a four-lane divided highway. A mile past Lindbergh Boulevard is the junction with I-270, and two miles (3 km) southwest of that is an interchange over Route 141.

As the highway continues southwest in the suburban St. Louis area, the road has several traffic lights which gradually diminish as the road approaches Cedar Hill. West of Cedar Hill, the divided highway ends and the road becomes a winding road all the way to its end. A portion of the highway over the Meramec River was re-routed in the early 2000s when a new, wider bridge was built.

West of Lonedell is the beginning of a concurrency with Route 47. The concurrency ends five miles (8 km) later inside the city limits of St. Clair. The road briefly joins former U.S. Route 66, turns a corner, and ends at Interstate 44.

Major intersections

County Location Mile Destinations Notes
City of St. Louis
I-44 / I-55 S.Tucker Blvd / S.Twelfth St / Geyer Avenue East terminus, known as Gravois Avenue within St. Louis City
Russell Blvd
McNair Ave / Shenandoah Ave
S.Jefferson Ave / Sidney St
Ohio Ave / Lynch St
California Ave
Nebraska Ave / Crittenden St
Arsenal St / Pennsylvania Ave
Compton Ave / Wyoming St
Utah Street
Cherokee St / Tennessee Ave
S.Grand Blvd
S.Spring Ave
Gustine Ave
Route 366 Chippewa St
Meramec St
Taft Ave
Morganford Rd / Delor St
Bates St
Christy Blvd / Christy Ave
Holly Hills Ave
S.Kingshighway Blvd / Cecil Place
Loughborough Ave
Hampton Ave / Germania St
River Des Peres Blvd
St. Louis
  Hannover Ave Enters St. Louis County at 7700 block, name changes to Gravois Rd. A marker near that address denotes the city limit.
  Seibert Ave
  Heege Rd
  Mathilda Ave
  Weber Rd / Elgin Ave
  Weber Rd Separate intersection from the previous one.
  Route P (Mackenzie Rd)
Affton Route 21 (Tesson Ferry Road) / Rock Hill Rd North Terminus of Hwy 21
S. Laclede Station Rd
Grant Rd / McNary Dr
Musick Rd
Baptist Church Rd
Sappington Eddie Park Rd
Denny Rd
Sappington Rd
US 61 (S. Lindbergh Blvd) / US 67 / US 50 Divided Highway Begins 500 feet (150 m) west of S. Lindbergh Blvd. Name remains Gravois Rd.
Sappington Barracks Rd / Geyer Rd
Sunset Hills I-270
Weber Hill Rd / Kennerly Rd / Gravios Rd At Kennerly Rd, Gravois Rd name splits off to become effectively an intermittent outer road. From this point west, Route 30 is simply known as "Highway 30." Much of the road between here and Summit Road has been modified over the past couple of decades to avoid being flooded out by the Meramec River.
Maurer Industrial Dr / Rahning Rd
W. Watson Rd
Fenton Route 141 (New Smizer Mill Rd)
Summit Rd / Gravois Bluffs Blvd Continuous flow intersection as of October 30, 2007; Gravois Road is an outer road on the westbound side of Hwy 30 west of this intersection
Jefferson
Northwest Blvd Gravois Rd is an outer road on the westbound side of Hwy 30 but does not connect to this intersection.
  Delores Dr Gravois Rd is an outer road on the westbound side of Hwy 30 but does not connect to this intersection.
  La Kenny Lane Gravois Rd is an outer road on the westbound side of Hwy 30 but does not connect to this intersection.
  Valley Dell Dr Gravois Rd is an outer road on the westbound side of Hwy 30
Murphy Old Sugar Creek Rd / New Sugar Creek Rd Gravois Rd is an outer road on the westbound side of Hwy 30 east of this intersection.
  Main Dr Gravois Rd is an outer road on the eastbound side of Hwy 30
  Little Brennan Rd
High Ridge Dillon Rd Gravois Rd is an outer road on the eastbound side of Hwy 30 but does not connect to this intersection
Caroline Dr Gravois Rd is an outer road on the eastbound side of Hwy 30 but does not connect to this intersection.
High Ridge Blvd Gravois Rd is an outer road on the eastbound side of Hwy 30; High Ridge Blvd west of this intersection was formerly called Gravois Rd when it was designated Hwy 30.
Route PP / Rock Creek Rd
  Carol Park Rd High Ridge Blvd is an outer road on the westbound side of Hwy 30 but does not connect with this intersection; High Ridge Blvd becomes Old Gravois Rd at Franks Rd.
  Old Gravois Rd / Gravois Rd Old Gravois Rd is an outer road on the westbound side of Hwy 30 north of this intersection. Gravois Road continues south on the east side of the intersection.
Byrnes Mill Upper Byrnes Mill Rd / Osage Executive Sometimes called Byrnes Mill Rd
Betty Hill Rd
House Springs Lower Byrnes Mill Rd / Byrnes Mill Rd
Route W / Route MM (Gravois Rd) Hwy MM east of this intersection is called Gravois Rd until it reaches Big Three Acres Rd. The old Gravois Road splits off north of the intersection of Main Street and Hwy MM. South of that intersection, it becomes Hillsboro-House Springs Rd. On the other side of the W-MM intersection, Hwy W travels west until it meets Route 109. South of this intersection, Hwy 30 regains its casual name of Gravois Rd, except in a few places.
Cedar Hill Old Missouri Route 30 / Pete O'Brien Rd East of this intersection, Pete O'Brien Rd becomes Cedar Hill Rd, which used to be Old Gravois.
Old Missouri Route 30 Separate intersection from the previous one; Provides access to Lower Byrnesville Rd
Local Hillsboro Rd Cedar Hill Rd (formerly Old Gravois) is accessible via Local Hillsboro Rd
Route BB / N Industrial Dr Hwy BB used to be a Spur of Hwy 30 between Industrial Dr and Cedar Hill Rd
  Route NN / Route B Cedar Hill Road ends at Hwy B about 2000 feet east of the Hwy 30 intersection.
  Diehl Rd About 500 feet north of this intersection, Hwy 30 is no longer a divided highway and becomes a two line rural road.
Dittmer Dittmer Rd / Ficken Rd
Dittmer Catawisa Rd / Dittmer Ridge Rd Ditmer Catawisa Rd spurs north of this intersection into Dittmer Rd towards Dittmer
  Township Ln
  Jones Creek Rd a.k.a. Weber Rd
  Route Y
  Zimmerman Rd
  County Line Rd
Franklin
  Route HH / Fairview Church Rd
  Hendricks Rd
Lonedell Route FF
Route N
  Oak Grove Church Rd
  Bethel Church Rd
  Route 47 / River Bend Rd Route 47 concurrently joins Route 30 through St. Clair.
  River Haven Dr A new bridge crossing the Meramec River east of River Haven Dr replaces the Old Hwy 30/47 with Gravois Rd
  Gravois Rd (Old Hwy 30/47)
Parkway Route K / Route 47 (Parkway Dr) Hwy 47 departs from Hwy 30 at Route K North onto Parkway Drive
St. Clair Route PP (Sycamore Ln) Hwy 30 becomes E. Gravois Ave
Springfield Rd Hwy 30 becomes W. Gravois Ave west of Springfield Rd
US 66 Commercial Street Merge onto Commercial Street. Commericla Street becomes W. Gravois Ave.
US 66 Turn off W. Gravois Ave to a road toward I-44.
I-44 / North Service Rd West West Terminus of Hwy 30
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Mass Transit

The southern half of MetroBus Route #10 (Lindell-Gravois) follows Gravois Ave from the Civic Center Station at 14th and Spruce, then onto Tucker and Chouteau. From Tucker, the route follows nearly the entirety of Gravois Ave until it reaches the Hampton Loop at Hampton and Gravois.


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