What is Interstate 8?
{{Infobox road |country=USA |type=I |route=8 |maint=[[Caltrans]] and [[Arizona Department of Transportation|ADOT]] |length_mi=350.34 |length_ref=<ref name=fhwa>{{cite web|url=http://www.fhwa.dot.gov/reports/routefinder/table1.htm|title=FHWA Route Log and Finder List: Table 1|date=2002-10-31|accessdate=2007-03-28|author=Federal Highway Administration}}</ref> |established=1964 |map={{maplink|frame=yes|plain=yes|frame-align=center|frame-width=290|type=line|stroke-width=3}} |map_custom=yes |map_notes=I-8 highlighted in red |direction_a=West |terminus_a=Sunset Cliffs Boulevard&nbsp;/ Nimitz Boulevard in [[San Diego|San Diego, CA]] |junction={{Plainlist|<!-- Major junctions only; Only up to ten most major intersections and cities belong here; please read [[WP:USRD/STDS]] for more info --> *{{Jct|state=CA|I|5}} in San Diego, CA *{{Jct|state=CA|I|805}} in San Diego, CA *{{Jct|state=CA|I|15|SR|15}} in San Diego, CA *{{Jct|state=CA|SR|111}} in [[El Centro, California|El Centro, CA]] *{{Jct|state=AZ|US|95}} in [[Yuma, Arizona|Yuma, AZ]] *{{Jct|state=AZ|SR|85}} in [[Gila Bend, Arizona|Gila Bend, AZ]] }} |direction_b=East |terminus_b={{Jct|state=AZ|I|10}} in [[Casa Grande, Arizona|Casa Grande, AZ]] |states=[[California]], [[Arizona]] |counties='''CA:''' [[San Diego County, California|San Diego]], [[Imperial County, California|Imperial]]<br/>'''AZ:''' [[Yuma County, Arizona|Yuma]], [[Maricopa County, Arizona|Maricopa]], [[Pinal County, Arizona|Pinal]] |browse={{infobox road/browselinks/USA|state=CA}}{{infobox road/browselinks/USA|state=AZ}}{{ca browse|previous_type=CA|previous_route=7|route=CA|next_type=CA|next_route=9}}<br/>{{az browse|previous_type=AZ|previous_route=989|route=AZ|next_type=I|next_route=10}} }} '''Interstate 8''' or '''I-8''' is an [[Interstate Highway]] that runs from [[Interstate 10]] near [[Casa Grande, Arizona]] to [[San Diego, California]]. The route is {{convert|348.25|mi|km}} long.<ref name=fhwa/> ==References== {{reflist}} {{interstates}} {{Attached KML|dislay=inline,title}} {{Transport-stub}} [[C