Interstate 670 (Kansas–Missouri)

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Interstate 670 marker
Interstate 670
Jay B. Dillingham Freeway
I-670 highlighted in red
Route information
Auxiliary route of I-70
Length2.81 mi[1] (4.52 km)
Existed1968[citation needed]–present
Major junctions
West end I-70 / US-24 / US-40 / US-69 / US-169 in Kansas City, KS
  I-35 in Kansas City, MO
East end I-70 / US 24 / US 40 / US 71 in Kansas City, MO
Location
StatesKansas, Missouri
CountiesKS: Wyandotte
MO: Jackson
Highway system
  • Kansas State Highway System

← I-635KS→ K-1
← I-635MO→ Route 740

Interstate 670 (I-670) is a 2.81-mile-long (4.52 km) (4.52 km) connector highway between I-70 in Kansas City, Kansas and I-70 in Kansas City, Missouri. The highway provides a more direct route through downtown Kansas City than the older mainline I-70, and avoids the sharp turn (and reduced speed limit) of the latter at the west end of the Intercity Viaduct. Interstate 670 also makes up the south side of Kansas City's downtown freeway loop, where it passes under the southern half of Bartle Hall Convention Center.

The road crosses the Kansas River and the West Bottoms, the former location of the Kansas City Stockyards, on the I-670 Viaduct. The leg of the highway west of I-35 is known as the Jay B. Dillingham Memorial Highway.[2] Dillingham was a former president of the Stockyards.

Route description[]

Looking westbound on I-670 passing below the Bartle Hall Convention Center at night

I-670 begins in Kansas City, Kansas, as ramps from I-70/US-24/US-40/US-169 meet to form the freeway just before a bridge over the Kansas River, which is located just south of its confluence with the Missouri River. The freeway then crosses the Kansas–Missouri state line and enters Kansas City, Missouri. The road then has an interchange with I-35 just before passing beneath the Kansas City Convention Center. The freeway passes just to the south of the Power and Light District and T-Mobile Center in downtown Kansas City. It meets up with I-70 / US 40 again on the southeastern corner of the downtown area; US 71 comprises the north–south portion of the interchange.[3] In Missouri, I-670 is signed as an alternate route to I-70.[4]

History[]

The freeway was not part of the original planned freeways around Kansas City in 1955.[5][6] The section east of the I-35 interchange was built first and finished in 1968.[7][8] The western portion was not planned until 1971, and was not finished until several years later.[9][10] By 1987, the freeway was extended slightly westward in the downtown Kansas area,[11][12] but was not fully extended to I-70 until 1991, when it was fully opened.[13][14]

On May 20, 1997, sections of I-670 and I-35 in downtown Kansas City were closed for the filming of a music video for the U2 song "Last Night on Earth". The closure, which was criticized by a local American Automobile Association official, caused some traffic congestion and was the subject of 50–60 complaints to the city government.[15][16]

Exit list[]

StateCountyLocationmikmExitDestinationsNotes
KansasWyandotteKansas City0.000.00 I-70 / US-24 / US-40 west / US-69 south – TopekaI-70 exit 421B
0.390.631ACentral AvenueWestbound exit and eastbound entrance
0.47–
0.56		0.76–
0.90		Kansas River bridge
 0.83
0.00		1.34
0.00		Kansas–Missouri state line
MissouriJacksonKansas City0.13–
0.19		0.21–
0.31		1BGenesee Street / Wyoming Street – Kemper Arena
0.881.422T I-35 south – WichitaI-35 exit 2U
I-35 north / 12th StreetWestbound exit and eastbound entrance; I-35 exit 2U
1.021.642SBroadwayWestbound exit and eastbound entrance
1.101.772RCentral Street – DowntownEastbound exit only
1.422.292QTruman Road / McGee StreetWestbound exit and eastbound entrance
2.103.382P13th Street – Downtown Kansas CityWestbound exit only
2N

 I-70 west / US 71 north to I-29 / I-35 north – St. Joseph, Des Moines		Eastbound exit and westbound entrance; I-70 exit 2L
2M US 71 south – JoplinEastbound exit and westbound entrance
3AThe Paseo (Kansas City, Missouri)Eastbound exit and entrance only
I-70 / US 24 east / US 40 – St. LouisI-70 exit 2L
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  •       Incomplete access

See also[]

  • Blank shield.svg U.S. Roads portal

References[]

  1. ^ Staff (October 31, 2001). "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways as of October 31, 2002". Route Log and Finder List. Federal Highway Administration. Retrieved May 28, 2012.
  2. ^ Google (June 8, 2009). "Interstate 670 (Kansas–Missouri)" (Map). Google Maps. Google. Retrieved June 8, 2009.
  3. ^ Google (July 30, 2021). "Interstate 670 (Kansas–Missouri)" (Map). Google Maps. Google. Retrieved July 30, 2021.
  4. ^ Alternate I-70 (Road sign). Over I-670 in Kansas City. July 2019. Retrieved August 3, 2021 – via Google Maps.CS1 maint: location (link)
  5. ^ General Location of National System of Interstate Highways Including All Additional Routes at Urban Areas (Map). Bureau of Public Roads. September 1955. Kansas City, Missouri inset. Retrieved May 28, 2012.
  6. ^ https://www.linecreekloudmouth.com/blog/kc-freeway-history/
  7. ^ Missouri State Highway Map (PDF) (Map). Missouri Department of Transportation. 1968. Retrieved February 27, 2011.
  8. ^ Kansas State Highway Map (Map). Kansas Department of Transportation. 1968. Retrieved February 27, 2011.
  9. ^ Missouri State Highway Map (PDF) (Map). Missouri Department of Transportation. 1971. Retrieved February 27, 2011.
  10. ^ Kansas State Highway Map (Map). Kansas Department of Transportation. 1971. Retrieved February 27, 2011.
  11. ^ Missouri State Highway Map (PDF) (Map) (1987–88 ed.). Missouri Department of Transportation. 1987. Retrieved February 26, 2011.
  12. ^ Kansas State Highway Map (Map). Kansas Department of Transportation. 1987. Retrieved February 27, 2011.
  13. ^ Missouri State Highway Map (PDF) (Map) (1991–92 ed.). Missouri Department of Transportation. 1991. Retrieved February 27, 2011.
  14. ^ Kansas State Highway Map (Map) (1991–92 ed.). Kansas Department of Transportation. 1991. Retrieved February 27, 2011.
  15. ^ Heider, Timothy (May 20, 1997). "U2: Last night they rocked...but today you don't roll; Downtown commuters face delays while band makes a video on I-670". The Kansas City Star. p. A1.
  16. ^ White, Tanika; Lester, Chris (May 21, 1997). "Making of video makes a big mess". The Kansas City Star. p. A1.

External links[]

Route map:

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