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Route 364 (Page Extension)

Phase 3 logo

You're Invited...Counting Down to Completion

Come walk, run and bike on the new Route 364/Page Phase 3 from I-64 to Route K on October 4 from 10 a.m. to 3 p.m.!

(click here for more information on the scheduled events)


***IMPORTANT TRAFFIC NOTES (updated September 2014)***

MoDOT and its contractor, Page Constructors, is working to make the final connection from Route 364/Page Phase 3 to the existing stretch of Route 364.  In order to do that, two major traffic changes will take place in the area of Route 94/Mid Rivers Mall Drive.

Friday, September 26: Crews will shift traffic for drivers on westbound Route 364/Route 94 to the new bridge.  That will require traffic to be restricted to one lane starting from 6 p.m. Friday, September 26 through 5 a.m. Monday, September 29. 

  • Traffic will merge into one lane over the new bridge where it will merge again with traffic coming from Mid Rivers Mall Drive. 
  • Traffic from Mid Rivers Mall Drive will need to yield with traffic coming from westbound Route 94. 
  • The speed limit will be reduced to 35 mph. 
When the lanes reopen on Monday morning, drivers coming from westbound Route 364/Route 94 will have two lanes across the new bridge to continue onto westbound Route 94.  This will be a temporary traffic condition until the new Route 364 opens.  At that time, the ramp will be two lanes - one coming from westbound Route 94/Route 364 and one coming from Mid Rivers Mall Drive.

Click here to see a map of the westbound traffic changes

Monday, September 29: Traffic on eastbound Route 94 will be detoured for about a month starting after morning rush hour on Monday, September 29.  The detour will require traffic on eastbound Route 94 to exit at Mid Rivers Mall Drive, go through the intersection and back onto eastbound Route 94/Route 364.  The detour will remain in place until the second half of the new Route 364 open in late October.

Click here to see a map of the eastbound traffic changes


***PREVIOUS ANNOUCEMENTS (updated April 2014)***

Changes have been made to the design of an intersection on the Route 364/Page Phase 3 project.  Route 364 is a design-build project, which means the design of the road is happening at the same time as construction.  The westbound Route 364 exit to Bryan Road will now be a roundabout instead of a folded diamond interchange.  The change means Route 364 will now open in two phases instead of three. The stretch from I-64 to Route K will open in early October, with all lanes of the new road open by October 31. 

Map of New Bryan Road Design (pdf)


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 will be 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., Millstone-Bangert Inc., 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

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.  The entire project will be complete by late November 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)


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 August 2014)



Paving on Route 364 between I-64 and Rte K

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

To see aerial photos taken in April 2014, click here.


Click on the above picture to see a great video of the project done by St. Charles County.



Public Displays and Maps

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

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 1-888-ASK-MoDOT (275-6636) or by 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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