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Route 364/Page Phase 3

Route 364/Page Phase 3 Open to Traffic


Route 364/Page Phase 3 is open!  The $118 million project opened in two phases - from Interstate 64 to Route K in October 2014 and from Route K to Mid Rivers Mall Drive in November 2014, opened on November 2.

The opening marks the final piece of a regional transportation vision that began more than 40-years ago when a grassroots group was formed in St. Charles County to push for what became known as the Page Extension.

Phase 1 of the Page Extension was completed in 2003 and included construction of the Veterans Memorial Bridge.

Phase 2 from Jungs Station to Mid Rivers Mall Drive was completed in 2012.

Phase 3 makes the final connection from I-270 in St. Louis County to Interstate 64 at Route N in St. Charles County.  It serves as an alternate for travel on Interstate 70 and Interstate 64.

Click here to see a video of construction of all three phases of Route 364.

Click here for frequently asked questions about the Route 364/Page Phase 3 project.


About the project:

MoDOT, St. Charles County and local municipalities teamed together to allocate $118.2 million towards building Route 364/Page Phase 3.  The $118.2 million was used for purchasing property, utility relocations, design and construction.  The project includes building an improved connection from Page Phase 2 at Route 94 and Mid Rivers Mall Drive to I-64/US Route 40/61 at Route N.

MoDOT used a Design-Build contracting process to have contractor teams compete to win the contract.  The Missouri Highways and Transportation Commission approved the contract on February 6, 2013, awarding the project to the Page Constructors Joint Venture, which includes Fred Weber Inc. and Millstone-Bangert Inc (now known as Millstone Weber) along with Kolb Grading and lead designer, Parsons Transportation Group.

Click here for information on the Design-Build Contractor


Click here for a larger version of the corridor map (pdf)

What will be built?

Page Constructors is designing and building a four lane divided freeway for nine miles from Route 94 at Mid Rivers Mall Drive in St. Peters to Interstate 64 in Lake Saint Louis.  The new highway will include the following:

  • additional ramps connecting Route 94 and Mid Rivers Mall Drive to Route 364

  • bridge over Motherhead Road

  • Gutermuth Road bridge over Route 364

  • single point interchange at Route K with widening of Route K to six lanes north and south of the interchange

  • roundabout at Bryan Road with north outer road extended from Stump Road to Bryan Road

  • bridge over Hanley Road

  • bridge over Henke Road with ramps to and from the east

  • new ramps to complete the cloverleaf interchange at I-64

What is the schedule for construction?

Route 364/Page Phase 3 construction started in May 2013.  There will be construction activity along all nine miles of the project until the new road opens in sections in the fall of 2014 with the entire new road open by the end of October 2014. 

Schedule map (pdf) (updated April 15, 2014)


Construction Newsletter


January 2014 Monthly Construction Newsletter (pdf)

February 2014 Monthly Construction Newsletter (pdf)

March 2014 Monthly Construction Newsletter (pdf)

April 2014 Monthly Construction Newsletter (pdf)

May 2014 Monthly Construction Newsletter (pdf)

June 2014 Monthly Construction Newsletter (pdf)

July/August Monthly Construction Newsletter (pdf - 2 pages)

September Monthly Construction Newsletter (pdf)

October Monthly Construction Newsletter (pdf)

November Monthly Construction Newsletter (pdf)


June 2013 Monthly Construction Newsletter (pdf)

July 2013 Monthly Construction Newsletter (pdf)

August 2013 Monthly Construction Newsletter (pdf)

September 2013 Monthly Construction Newsletter (pdf)

October 2013 Monthly Construction Newsletter (pdf)

November 2013 Monthly Construction Newsletter (pdf)

December 2013 Monthly Construction Newsletter (pdf)


Photo Library (updated October 2014)



To see the photo library of construction activities, click here.



Public Displays and Maps (updated 3/26/13)

A public meeting was held Tuesday, March 26, 2013 at the St. Charles Community College.  All of the material presented is available below:

Nine-mile corridor map from Route 94 to I-64 (601 Kb)

Nine-mile corridor map shown with profile grade of new road

All information displays and interchanges in one file (7.3 Mb)

Construction Schedule (170 Kb)

Completion Schedule (2.2 Mb)

General Project information (866 Kb)

I-64 interchange (1.5 Mb)

Henke Road interchange (492 Kb)

Bryan Road interchange (466 Kb)

Route K interchange (867 Kb) Gutermuth and Motherhead roads (475 Kb)

Route 94/Mid Rivers Mall Drive interchange (589 Kb)

Environmental Impact Statement Documents

Route 364 History

Click here for information on sections of Route 364 already complete from I-270 in St Louis County to Mid Rivers Mall Drive in St Peters.

For more information contact Project Director Dave Simmons at 314-275-1500 or 888-ASK-MoDOT (275-6636) or by email at Route.364@modot.mo.gov

To sign up for email updates, please send an email to Route.364@modot.mo.gov.


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