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Business routes of Interstate 40

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Interstate 40 marker

Interstate 40

NHSEntire route
Location
CountryUnited States
Highway system

Interstate business routes are roads connecting a central or commercial district of a city or town with an Interstate bypass. These roads typically follow along local streets often along a former U.S. route or state highway that had been replaced by an Interstate. Interstate business route reassurance markers are signed as either loops or spurs using a green shield shaped and numbered like the shield of the parent Interstate highway.

Along Interstate 40 (I-40), business routes are found in the five westernmost states through which I-40 passes, California, Arizona, New Mexico, Texas, and Oklahoma, as well as North Carolina. The Interstate has no business routes along its passage through Arkansas nor Tennessee.

Some states regard Interstate business routes as fully integrated within their state highway system while other states consider them to be either local roads to be maintained by county or municipal authorities or a hybrid of state and local control.

Although the public may differentiate between different business routes by the number of the parent route and the location of the route, there is no uniform naming convention. Each state highway department internally uses its own designations to identify segments within its jurisdiction.

From central Oklahoma westward, the business routes often follow the historic alignment of the former U.S. Route 66 (US 66).

California

Interstate business routes in California are assigned by the California Department of Transportation (Caltrans), but are not maintained by Caltrans unless they overlay other routes of the state highway system. Local authorities may request route assignment from the Caltrans Transportation System Information Program, and all requests require approval of the executive committee of the American Association of State Highway and Transportation Officials (AASHTO).[1]

Needles

Interstate 40 Business marker

Interstate 40 Business

LocationNeedles
Length3.4 mi[2] (5.5 km)

The business loop of Interstate 40 through Needles in San Bernardino County begins at Exit 141 of I-40/US 95 northwest of town. The unsigned highway follows Broadway Avenue to the southeast to Needles Highway, then eastward through an underpass of I-40 into the town center. At N Street, the loop turns southward into the southern part of town where it reconnects with Broadway Ave. The route then continues southeastward to I-40 Exit 144 where it terminates and US 95 continues southward along Broadway. The route largely follows the former route of US 66 through town except where the historic highway's path has since been disrupted by the construction of I-40.[2]

Major intersections

The entire route is in Needles, San Bernardino County.

mi[2]kmDestinationsNotes
0.00.0 I-40 / US 95 – Barstow, Las Vegas, KingmanWestern terminus
3.45.5 I-40 / US 95 – Barstow, Kingman, Lake Havasu City, BlytheEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Arizona

The business loops within Arizona are maintained by the Arizona Department of Transportation (ADOT) and by municipal authorities. Interstate 40 has five business loops within the state located in Seligman, Ash Fork, Flagstaff, Joseph City, and Holbrook and formerly had loops in Kingman, Flagstaff, and Winslow. ADOT identifies Interstate business loops as State Business Routes followed by the number of the parent Interstate. Individual loops along an Interstate are designated by adding parenthetical numbers that increase eastward and northward. Gaps in numbering represent removal of former routes or potential expansion.

Kingman

Interstate 40 Business marker

State Business Route 40(0)

LocationKingman
Length0.56 mi[3]: 417 [note 1] (900 m)
ExistedBefore 1998–2009[4]: 107–108 [5]: 519–520 

State Business Route 40(0) was a former business loop of I-40 at Kingman in Mohave County. The 3.7-mile (6.0 km) loop began at I-40 Exit 48 where US 93 approaches the intersection from the west along Beale Street and joins the Interstate while the loop proceeded eastward along Beale St. After a short distance, the loop joined Andy Devine Avenue which carried the former US 66. The loop turned northward returning to I-40 and US 93 at Exit 53 where the loop terminated, but the roadway continues forward carrying SR 66.[3][6]

Major intersections

The entire route is in Kingman, Mohave County.

mi[3]kmDestinationsNotes
0.000.00 I-40 / US 93 (Beale Street) – Los Angeles, Flagstaff, Phoenix, Las VegasWestern terminus
3.736.00
 I-40 / US 93 / SR 66 east (Andy Devine Avenue) – Los Angeles, Las Vegas, Flagstaff, Phoenix, Peach Springs		Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Seligman

Interstate 40 Business marker

State Business Route 40(1)

LocationSeligman
Length4.25 mi[7]: 543  (6.84 km)
Existed1983–present[7]: 543 

State Business Route 40(1) is a business loop of I-40 at Seligman in Yavapai County. The 41⁄4-mile (6.8 km) loop begins at I-40 Exit 121 on the west end of town and proceeds northward passing over the former SR 66, a local road still signed as a state route that is a former alignment of US 66. The loop then takes a semicircular path near the Seligman Airport returning to Historic US 66, where the loop turns east through town. At the eastern edge of town, the loop turns south returning to I-40 at Exit 123.[3]: 418 [8]

Major intersections

The entire route is in Seligman, Yavapai County.

mi[3]: 418 kmDestinationsNotes
0.000.00 I-40 – Los Angeles, FlagstaffWestern terminus
1.161.87

 To SR 66 west (Historic US 66)
4.256.84 I-40 – Los Angeles, FlagstaffEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Ash Fork

Interstate 40 Business marker

State Business Route 40(2)

LocationAsh Fork
Length1.49 mi[7]: 545  (2.40 km)
Existed1989–present[7]: 545 

State Business Route 40(2) is a business loop of I-40 through Ash Fork in Yavapai County. The 1.5-mile (2.4 km) loop begins at I-40 Exit 145 and proceeds to the northeast along the western edge of town. The loop passes through town as a divided route with eastbound traffic following Park Avenue and westbound traffic routed along Lewis Avenue. The roadways combine on the east end of town, and the loop returns south terminating at I-40 Exit 146. The roadway continues south beyond I-40 as SR 89.[3]: 419–420 [9]

Major intersections

The entire route is in Ash Fork, Yavapai County.

mi[3]: 419–420 kmDestinationsNotes
0.000.00 I-40 – Los Angeles, FlagstaffWestern terminus
1.492.40
 I-40 / SR 89 south – Los Angeles, Flagstaff, Prescott		Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Flagstaff

I-40 has both a current route traversing the city of Flagstaff in Coconino County and a former route previously on the city's east side.

Current route

Interstate 40 Business marker

State Business Route 40(4)

LocationFlagstaff
Length9.67 mi (15.56 km)
Existed1988–present[10]: 626 

State Business Route 40(4) is a business loop of I-40 through Flagstaff in Coconino County. The 6.7-mile (10.8 km) loop begins at I-40 exit 191 west of Flagstaff and enters the city following the former route of US 66. In central Flagstaff, the loop intersects SR 89A at Milton Road. The loop turns north and follows Milton Rd. and then turns east along the street known as Route 66 (formerly Santa Fe Avenue) before intersecting US 180 at Humphreys Street. The loop continues to the east side of Flagstaff, where Rte. 66 diverges carrying the former alignment of I-40 BL, before intersecting US 89. From this intersection, the loop turns southward along Country Club Drive until terminating at I-40 exit 201.[11]: 663–667 [12]

Major intersections

The entire route is in Coconino County.

Locationmi[7]kmDestinationsNotes
​0.000.00 I-40 – Los Angeles, AlbuquerqueWestern terminus
Flagstaff4.206.76


 SR 89A south (Milton Road) to I-17 / I-40 – Sedona, Phoenix
4.817.74
 US 180 west (Humphreys Street) – Arizona Snow Bowl, Grand Canyon, Museum of Northern Arizona		West end of US 180 overlap
9.1414.71
 US 89 north – Page		Former interchange, now an at-grade T-intersection
9.6715.56
 I-40 / US 180 east – Los Angeles, Albuquerque		Eastern terminus; east end of US 180 overlap; road continues south as Country Club Drive
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Former route

Interstate 40 Business marker

State Business Route 40(5)

LocationFlagstaff
Length0.87 mi[11]: 668 [note 1] (1,400 m)
Existed2002–2008[10]: 627 [3]: 423 

State Business Route 40(5) was a former business loop on the east side of the city of Flagstaff in Coconino County. The 4.6-mile (7.4 km) loop began at the combined route of BL 40 and US 180 and followed Santa Fe Avenue eastward underpassing the current business route. The loop continued along the former US 66 connecting with I-40 and US 180 at Exit 204 for Walnut Canyon Road along the city's eastern edge. The loop was decommissioned in 2008 and returned to the city for maintenance.[3]: 423 [11]: 668 [13]

Major intersections

The entire route is in Flagstaff, Coconino County.

mi[11]: 668 kmDestinationsNotes
0.000.00 BL 40 (Santa Fe Avenue) / US 180 – Grand CanyonWestern terminus
4.647.47 I-40 / US 180 – Los Angeles, AlbuquerqueEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Winslow

Current route

Interstate 40 Business Spur marker

State Spur Route 40

LocationWinslow
Length1.2 mi[7]: 557 [note 1] (1.9 km)
Existed1974–present[10]: 638 

State Spur Route 40 is a business spur of I-40 located in Navajo County, serving the city of Winslow. The 1.2-mile (1.9 km) spur begins at I-40/US 180 exit 252 and follows Hipkoe Drive south while concurrent with SR 99. At the intersection with 3rd Street, the two highways split; SR 99 heads east, while I-40 BS heads west. After crossing over the BNSF railway, the spur continues for 0.19 miles (310 m), ending just north of the intersection of Cooperstown Road and the county line.[14]

Major intersections

The entire route is in Navajo County.

Locationmi[7][14]kmDestinationsNotes
​0.000.00Winslow Industrial SpurContinuation beyond western terminus
​0.180.29Bridge over BNSF railway
Winslow1.011.63

 SR 99 south to SR 87 (3rd Street) – Payson		West end of SR 99 concurrency
1.21.9
 SR 99 north / I-40 / US 180 – Flagstaff, Albuquerque		Eastern terminus; east end of SR 99 concurrency; I-40 exit 252; road continues north as Hipkoe Drive
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Former route

Interstate 40 Business marker

State Business Route 40(6)

LocationWinslow
Length3.63 mi[15]: 690  (5.84 km)
Existed1968–2007[10]: 630 [11]: 668–669 

Joseph City

Interstate 40 Business marker

State Business Route 40(7)

LocationJoseph City
Length2.83 mi[7]: 550  (4.55 km)
Existed1985–present[7]: 550 

Holbrook

Interstate 40 Business marker

State Business Route 40(8)

LocationHolbrook
Length5.10 mi[7]: 553  (8.21 km)
Existed1996–present[7]: 553 

New Mexico

All of the business loops within New Mexico are maintained by the New Mexico Department of Transportation (NMDOT). In New Mexico, Interstate business routes are named independently of their parent Interstate's designation with business loops of Interstate 25 (I-25) numbered between 10–19, those of I-10 between 20–29, and those of I-40 between 30–39. New Mexico business loop numbers ascend eastward and northward with gaps in numbering to allow for future designations. Within New Mexico, I-10 currently has business routes in Moriarty, Santa Rosa and Tucumcari.

Moriarty

Interstate 40 Business marker

Business Loop 34

LocationMoriarty
Length2.922 mi[16]: 3  (4.703 km)

Santa Rosa

Interstate 40 Business marker

Business Loop 35

LocationSanta Rosa
Length4.367 mi[16]: 4  (7.028 km)

Tucumcari

Interstate 40 Business marker

Business Loop 36

LocationTucumcari
Length7.652 mi[16]: 4  (12.315 km)

Texas

All of the business loops within Texas are maintained by the Texas Department of Transportation (TxDOT). Interstate 40 has seven business loops in the state, each located in the Panhandle region. Along I-40, TxDOT identifies each business route as Business Interstate 40 followed by an alphabetic suffix. Along Texas Interstates, the alphabetic suffixes on business route names ascend eastward and northward. There are gaps in the alphabetic values to allow for future system expansion. The alphabetic naming suffixes are included as small letters on the bottom of reassurance shields.

Glenrio

Business Interstate 40 marker

Business Interstate 40-A

LocationGlenrio
Length0.779 mi[17] (1,254 m)
Existed1990–present[17]

Adrian

Business Interstate 40 marker

Business Interstate 40-B

LocationAdrian
Length2.369 mi[18] (3.813 km)
Existed1990–present[18]

Vega

Business Interstate 40 marker

Business Interstate 40-C

LocationVega
Length3.395 mi[19] (5.464 km)
Existed1990–present[19]

Amarillo

Business Interstate 40 marker

Business Interstate 40-D

LocationAmarillo
Length14.125 mi[20][nb 1] (22.732 km)
Existed1990–present[20]

The Amarillo business loop of Interstate 40 begins at I-40 exit 62A just west of Amarillo. The highway was formerly a business route for Route 66, being that highway's only bannered route in Texas. Bus. I-40 D is known locally as Amarillo Boulevard and is the longest bannered route of Interstate 40.

Route description

Bus. I-40 D begins at Interstate 40 exit 62A just west of Amarillo near Cadillac Ranch. The highway runs east through a low developed area before entering the Amarillo city limits just before an intersection with Loop 335 (Soncy Road). Bus. I-40 D turns northeast at an interchange with Coulter Street/Wolffin Avenue before briefly running north at an interchange with SW 9th Avenue/Bell Street (near the main campus of Amarillo College). The highway starts turning northeast at Tascosa Road/Gem Lake Road before running straight east at the N. Western Street interchange. After this interchange, Bus. I-40 D begins to travel through a heavily developed area of the city before meeting U.S. Route 60/U.S. Route 87/U.S. Route 287 just north of downtown and begins an overlap with U.S. Route 60. The two highways continue to travel through a heavily developed area of the city, with the development becoming more sparse after the State Highway 136 intersection. Bus. I-40 D becomes a divided highway after an interchange with Loop 335 (Lakeside Drive) and runs along the northern border of Rick Husband Amarillo International Airport. Just after leaving the Amarillo city limits, U.S. Route 60 leaves the highway and Bus. I-40 D starts to run southeast. Bus. I-40 D meets its eastern terminus at I-40 exit 85.

Junction list
CountyLocationmi[21]kmDestinationsNotes
Potter​0.00.0 I-40Module:Jct warning: "road" parameter is deprecatedInterchange; westbound exit and eastbound entrance; I-40 exit 62A
Amarillo2.13.4 Loop 335 (Soncy Road)
2.84.5Coulter Street, Wolffin AvenueInterchange
4.36.9SW 9th Avenue (Loop 279 east)/Bell AvenueInterchange
5.08.0
 RM 1061 north (Tascosa Road)Module:Jct warning: "road" parameter is deprecated
6.210.0
 FM 1719 north (Western Street)		Interchange
9.214.8
 US 60 west / US 87 / US 287 (Taylor Street, Fillmore Street, Pierce Street, Buchanan Street) – Dumas, Canyon		West end of US 60 overlap
11.418.3Lake StreetInterchange
12.119.5
 SH 136 north (Panhandle Boulevard) – Borger
14.423.2 Loop 335 (Lakeside Road) – Rick Husband Amarillo International AirportInterchange
17.628.3B Avenue – Amarillo College East CampusInterchange
19.831.9 FM 1912 (Masterson Road)Interchange
​20.332.7
 US 60 east – Panhandle		East end of US 60 overlap
Carson​24.439.3
 I-40 / FM 2575 west		Interchange; eastbound exit and westbound entrance; I-40 exit 85
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Groom

Business Interstate 40 marker

Business Interstate 40-F

LocationGroom
Length3.533 mi[22] (5.686 km)
Existed1990–present[22]

McLean

Business Interstate 40 marker

Business Interstate 40-H

LocationMcLean
Length3.796 mi[23] (6.109 km)
Existed1990–present[23]

Shamrock

Business Interstate 40 marker

Business Interstate 40-J

LocationShamrock
Length2.77 mi[24] (4.46 km)
Existed1993–present[24]

Oklahoma

Erick

Business Interstate 40 marker

Business Interstate 40

LocationErick

Sayre

Business Interstate 40 marker

Business Interstate 40

LocationSayre

Elk City

Business Interstate 40 marker

Business Interstate 40

LocationElk City

Clinton

Business Interstate 40 marker

Business Interstate 40

LocationClinton

Weatherford

Business Interstate 40 marker

Business Interstate 40

LocationWeatherford

El Reno

Business Interstate 40 marker

Business Interstate 40

LocationEl Reno

Henryetta

Business Interstate 40 marker

Business Interstate 40

LocationHenryetta

Sallisaw

Business Interstate 40 marker

Business Interstate 40

LocationSallisaw

North Carolina

Main article: Interstate 40 Business (North Carolina)

See also

logo U.S. Roads portal

Notes

  1. ^ a b c Official route lengths in Arizona reflect road segments within the state highway inventory and not portions of the route under municipal control and maintenance.
  1. ^ The certified length given is shorter than the actual mileage, as the TxDOT description of Bus. I-40 D considers it to be discontinuous at rather than concurrent with US 60 in Amarillo.

References

  1. ^ Staff, Division of Design (May 7, 2012). "Highway Design Manual, Chapter 20, Index 21.2" (PDF). California Department of Transportation. p. 3. Retrieved September 24, 2014.
  2. ^ a b c Google (September 24, 2014). "Overview of I-40 Bus. in Needles" (Map). Google Maps. Google. Retrieved September 24, 2014.
  3. ^ a b c d e f g h i "2008 State Highway System Log" (PDF). Arizona Department of Transportation. December 31, 2008. Retrieved October 2, 2014. {{cite web}}: Cite uses deprecated parameter |authors= (help) Cite error: The named reference "ADOT 2008 Highway Log" was defined multiple times with different content (see the help page).
  4. ^ "1998 State Highway System Log" (PDF). Arizona Department of Transportation. December 31, 1998. Retrieved October 2, 2014. {{cite web}}: Cite uses deprecated parameter |authors= (help)
  5. ^ "2009 State Highway System Log" (PDF). Arizona Department of Transportation. December 31, 2009. Retrieved October 2, 2014. {{cite web}}: Cite uses deprecated parameter |authors= (help)
  6. ^ Google (October 2, 2014). "Overview of I-10 Bus. in Kingman" (Map). Google Maps. Google. Retrieved October 2, 2014.
  7. ^ a b c d e f g h i j k "2012 State Highway System Log" (PDF). Arizona Department of Transportation. December 31, 2012. Retrieved September 24, 2014. {{cite web}}: Cite uses deprecated parameter |authors= (help)
  8. ^ Google (September 25, 2014). "Overview of I-40 Bus. in Seligman" (Map). Google Maps. Google. Retrieved September 25, 2014.
  9. ^ Google (September 25, 2014). "Overview of I-40 Bus. in Ash Fork" (Map). Google Maps. Google. Retrieved September 25, 2014.
  10. ^ a b c d Staff (December 31, 2005). "2005 State Highway System Log" (PDF). Arizona Department of Transportation. Retrieved October 4, 2014. Cite error: The named reference "ADOT 2005 Highway Log" was defined multiple times with different content (see the help page).
  11. ^ a b c d e Staff (December 31, 2007). "2007 State Highway System Log" (PDF). Arizona Department of Transportation. Retrieved October 2, 2014.
  12. ^ Google (October 4, 2014). "Overview of current I-40 Bus. in Flagstaff" (Map). Google Maps. Google. Retrieved October 4, 2014.
  13. ^ Google (October 4, 2014). "Overview of former I-40 Bus. in Flagstaff" (Map). Google Maps. Google. Retrieved October 4, 2014.
  14. ^ a b Google. "Overview of I-40 Business Spur in Winslow". Google Maps. Google. Retrieved January 17, 2016. {{cite web}}: |last1= has generic name (help)
  15. ^ "2006 State Highway System Log" (PDF). Arizona Department of Transportation. December 31, 2006. Retrieved October 9, 2014. {{cite web}}: Cite uses deprecated parameter |authors= (help)
  16. ^ a b c "Posted Route–Legal Description; Business Loops" (PDF). New Mexico Department of Transportation. March 16, 2010. Retrieved September 24, 2014. {{cite web}}: Cite uses deprecated parameter |authors= (help)
  17. ^ a b Transportation Planning and Programming Division. "Business Interstate Highway No. 40-A". Highway Designation Files. Texas Department of Transportation. Retrieved September 24, 2014
  18. ^ a b Transportation Planning and Programming Division. "Business Interstate Highway No. 40-B". Highway Designation Files. Texas Department of Transportation. Retrieved September 24, 2014
  19. ^ a b Transportation Planning and Programming Division. "Business Interstate Highway No. 40-C". Highway Designation Files. Texas Department of Transportation. Retrieved September 24, 2014
  20. ^ a b Transportation Planning and Programming Division. "Business Interstate Highway No. 40-D". Highway Designation Files. Texas Department of Transportation. Retrieved September 24, 2014
  21. ^ "Highway Overview Map of Bus. I-40 D". Google Maps. Retrieved September 24, 2016.
  22. ^ a b Transportation Planning and Programming Division. "Business Interstate Highway No. 40-F". Highway Designation Files. Texas Department of Transportation. Retrieved September 24, 2014
  23. ^ a b Transportation Planning and Programming Division. "Business Interstate Highway No. 40-H". Highway Designation Files. Texas Department of Transportation. Retrieved September 24, 2014
  24. ^ a b Transportation Planning and Programming Division. "Business Interstate Highway No. 40-J". Highway Designation Files. Texas Department of Transportation. Retrieved September 24, 2014
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