Business routes of Interstate 8

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Interstate 8 marker

Interstate 8
Highway system

There are five business routes of Interstate 8.

El Cajon loop[edit]

Interstate 8 Business
Location: El Cajon, California

Business Loop 8 (I-8 Bus.) begins as Main Street at an interchange with I-8, loosely paralleling the freeway on the northern side. The loop passes through Bostonia and Lakeview before ending at the Lake Jennings Park Road interchange with I-8.[1]

Alpine loop[edit]

Interstate 8 Business
Location: Alpine, California

El Centro loop[edit]

Interstate 8 Business
Location: El Centro, California

Business Loop Interstate 8 (I-8 Bus.) is a business loop route that diverges from Interstate 8 in El Centro, California, to pass through the downtown area. Business Interstate 8 originates and terminates with I-8 and acts as a direct link to El Centro as I-8 bypasses the downtown area.

The I-8 Bus. path through El Centro traces roughly three sides of a rectangle with I-8 constituting the fourth side. I-8 Bus. begins at its western terminus with I-8 by going north along Imperial Avenue. When I-8 Bus. reaches the intersection of Adams Avenue it turns east along that road. Along this stretch, I-8 Bus. is joined by State Route 86 (SR 86) which approaches from the north along Imperial Avenue, and by Imperial County Route S80 which approaches from the west along Adams Avenue. The three routes continue joined as Adams Avenue ends and turns south along Fourth Avenue where S80 then turns to continue east. I-8 Bus. and SR 86 continue south running concurrent until I-8 Bus. reaches its eastern terminus with I-8.[2]

Only the portion of BUS-8 that runs concurrently with SR-86 is maintained by the state.[3] Along its concurrency with SR-86, BUS-8 is designated as part of the Juan Bautista de Anza National Historic Trail.[4]

Winterhaven–Yuma loop[edit]

Interstate 8 Business
Location: Winterhaven, CaliforniaYuma, Arizona

Business Loop 8 (I-8 Bus. or I-8 BL) begins at an interchange with I-8 and Winterhaven Drive in Winterhaven, California. The loop continues east, paralleling I-8 to the north and running concurrently with CR S24. I-8 Bus. then goes through downtown Winterhaven before CR S24 continues east and I-8 Bus. continues south, crossing I-8 again as well as the Colorado River into Yuma, Arizona. Passing to the west of Yuma Quartermaster Depot State Historic Park, I-8 BL goes through downtown Yuma as Fourth Avenue, intersecting US 95 after several blocks. The business loop curves to the east as 32nd Street, passing along the north side of Yuma International Airport and the south side of the Yuma Conservation Garden. East of the airport, I-8 BL passes through less-developed areas of eastern Yuma before ending at I-8.[5]

It is one of very few Interstate business loops that is interstate in the sense of crossing a state line.

Major intersections

State County Location mi[5][6] km Destinations Notes
California Imperial 0.00 0.00 I-8 – El Centro, Yuma Western terminus; I-8 exit 170
2.0 3.2 I-8 – San Diego I-8 exit 172
Colorado River 2.2
0.00
3.5
0.00
California–Arizona state line
Arizona Yuma Yuma 2.13 3.43 US 95 (16th Street) to I-8 – Quartzsite, San Luis
10.47 16.85 SR 195 south (Araby Road) to I-8
12.16–
12.66
19.57–
20.37
I-8 Eastern terminus; road continues as Frontage Road; I-8 exit 9
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Gila Bend loop[edit]

Interstate 8 Business
Location: Gila Bend, Arizona

Business Loop I-8 (I-8 BL) begins at an interchange with I-8 west of Gila Bend before passing under the freeway, continuing east and merging with SR 85 at a truck stop. As Pima Street, the two highways continue through downtown Gila Bend before I-8 BL turns south away from S 85 as Butterfield Trail and ending at I-8 at a diamond interchange.[7]

References[edit]

  1. ^ Google (November 2, 2014). "El Cajon Boulevard" (Map). Google Maps. Google. Retrieved November 2, 2014. 
  2. ^ Google (February 16, 2008). "Overview Map of I-8 in California" (Map). Google Maps. Google. Retrieved February 16, 2008. 
  3. ^ California Department of Transportation (July 2007). "Log of Bridges on State Highways". Sacramento: California Department of Transportation. 
  4. ^ "Juan Bautista de Anza National Historic Trail Guide: Imperial County". National Park Service. Retrieved October 6, 2008. 
  5. ^ a b Google (December 9, 2017). "Overview of Business Loop I-8 Winterhaven-Yuma" (Map). Google Maps. Google. Retrieved December 9, 2017. 
  6. ^ Arizona Department of Transportation. "2013 ADOT Highway Log" (PDF). pp. 531–533. Retrieved December 9, 2017. 
  7. ^ Google (November 2, 2014). "Business Loop I-8 Gila Bend" (Map). Google Maps. Google. Retrieved November 2, 2014.