Westbound I-70 from Broadway to Kansas City, Kansas will close for two years starting Feb. 4

Work will soon begin on a portion of the Lewis and Clark Viaduct. Temporary closures to allow for the installation of traffic control signage for the reconstruction of the I-70 westbound bridge will take place Feb. 1 through Feb. 4. The full two-year closure will begin on Feb. 4

Temporary Closures

Thursday, Feb. 1 at 7:00 p.m. to Friday, Feb. 2 at 5:00 a.m.:

  • I-35 northbound will have intermittent lane closures from 17th St. to I-70 (in Missouri) to place overhead sign placards.

Friday, Feb. 2 at 10 p.m. to Monday, Feb. 4 at 5:00 a.m.:

  • I-70 westbound will be closed from past Admiral Blvd. (in Missouri northeast corner of the downtown loop) to 3rd St. in Kansas City, Kansas to place traffic control for the long-term closure past Broadway. This closure will include all ramps on or off the interstate between those points.

Permanent Closures

Sunday, Feb. 4 at 5:00 a.m. to a tentative date of Dec. 31, 2019:

  • I-70 westbound will be closed past Broadway Blvd. (in Missouri northwest corner of the downtown loop) to 3rd St. in Kansas City, Kansas.
  • Ramps from Broadway Blvd., Beardsley Rd. and I-35 to I-70 westbound (in Missouri) will be closed.
  • Ramps from I-70 westbound (in Kansas) to Minnesota Ave., Washington Blvd. and Fairfax Trafficway will be closed.
  • After the traffic control measures over the weekend are complete, Broadway and I-35 southbound will be accessible from I-70 westbound throughout the duration of the two-year construction.


    • The main detour route will travel around the downtown loop or come up I-35 northbound to use I-670 westbound.
    • The secondary route will use I-35 southbound to the 27th St. exit.
    • To detour to Kansas City, Kansas, please use the Central Avenue Exit from I-670 westbound. To facilitate traffic operations using the Central Avenue Exit:
      • A second lane will be added to the 3rd St./James St. Exit Ramp from I-70.
      • Temporary signals will be added to the two intersections.

In preparation for the reconstruction, demolition of the Lewis & Clark Viaduct westbound lanes is tentatively scheduled for early March, a date and time are yet to be determined. The public will be able to watch the demolition on KDOT’s Facebook page.

While it is not anticipated that traffic control will change once the project begins, please continue to check the Kansas City Metro page on the KDOT website for more details.

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