Business routes of Interstate 15
Twenty-two business routes of Interstate 15 exist.
Escondido business loop
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| Location: | Escondido, California |
Interstate 15 Business provides access to downtown Escondido as Centre City Parkway. It follows the former routing of U.S. Route 395.
I-15 Business begins at I-15 exit 28 near the southern city limits of Escondido. It runs parallel to I-15 north through the city. It intersects both the westbound and eastbound portions of County Route S6, which in this area is split into one-way roads (which are in turn separated by another street). This intersection provides access to the end of the Sprinter commuter train line. Shortly thereafter, I-15 Business intersects County Route S14, and then interchanges with State Route 78. The interchange is the last interchange on the 78 before its freeway status ends, and there are only ramps for a westbound entrance or eastbound exit. Continuing north, I-15 Business intersects with El Norte Parkway, a major arterial road, before reconnecting with Interstate 15 at I-15 exit 34 near the northern city limits of Escondido. Though the street itself continues northward well on into Temecula as a frontage road for Interstate 15, its designation as Business 15 ends at this interchange.
Lake Elsinore business loop
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| Location: | Lake Elsinore, California |
Interstate 15 Business in Lake Elsinore, California provides access to downtown Lake Elsinore as Main Street, Graham Avenue, Lakeshore Drive and Lake Street. It also follows the former routing of California State Route 71.
Norco business loop
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| Location: | Norco, California |
Interstate 15 Business in Norco, California provides access to downtown Norco as Second Street, Hamner Avenue and Sixth Street. It also follows the former routing of SR 31.
Victorville business loop
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| Location: | Victorville, California |
Interstate 15 Business in Victorville, California provides access to downtown Victorville as Seventh Street and D Street. It also follows the former routing of U.S. Route 66 and U.S. Route 91.
Barstow business loop
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| Location: | Barstow, California |
Interstate 15 Business in Barstow, California provides access to downtown Barstow as L Street and Main Street. It also follows the former routing of U.S. Route 66.
Baker business loop
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| Location: | Baker, California |
Interstate 15 Business in Baker, California provides access to downtown Baker as Baker Boulevard. It also follows the former routing of U.S. Route 91 and U.S. Route 466.
St. George business loop
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| Location: | St. George, Utah |
Cedar City business loop
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| Location: | Cedar City, Utah |
Parowan business loop
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| Location: | Parowan, Utah |
Beaver business loop
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| Location: | Beaver, Utah |
Fillmore business loop
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| Location: | Fillmore, Utah |
Holden business loop
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| Location: | Holden, Utah |
Nephi business loop
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| Location: | Nephi, Utah |
Layton business loop
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| Location: | Layton, Utah |
Brigham City business loop
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| Location: | Brigham City, Utah |
Tremonton business loop
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| Location: | Tremonton, Utah |
Pocatello business loop
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| Location: | Pocatello, Idaho |
Idaho Falls business loop
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| Location: | Idaho Falls, Idaho |
Butte business loop
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| Location: | Butte, Montana |
Helena business loop
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| Location: | Helena, Montana |
Great Falls business loop
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| Location: | Great Falls, Montana |
| Existed: | 1960s[1]–present |
Interstate 15 Business in Great Falls, Montana links I-15, which bypasses downtown Great Falls to the west, to the center of Great Falls. As its Business Loop designation implies, I-15 Business terminates at I-15 (concurrent with U.S. Route 89 and Montana Highway 200 through western Great Falls) at each end. The southernmost 0.83 miles (1.34 km) of the route from the interchange with I-15 to Fox Farm Road is designated, but not signed, as Interstate 315.[2] It is the second shortest interstate in the country, the shortest being Interstate 878.
Conrad business loop
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| Location: | Conrad, Montana |
Shelby business loop
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| Location: | Shelby, Montana |
Interstate 15 Business in Shelby, Montana links I-15, which bypasses downtown Shelby to the west, to the center of Shelby. The southern terminus of I-15 Business is at exit 363 on I-15; from there it follows U.S. Route 2 into the center of Shelby, then follows Oilfield Road across the railyard and through the north end of town to its northern terminus at exit 364 on I-15, just south of Shelby Airport.
Former routes
Mesquite business loop
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| Location: | Mesquite, Nevada |
| Existed: | 31 December 1991–31 December 2005 |
Interstate 15 Business in Mesquite, Nevada, was also designated as State Route 144. It was removed as of December 31, 2005. It covered Mesquite Boulevard and Sandhill Boulevard in Mesquite. The State Route designation was applied to the portion of Mesquite Boulevard from its southern crossing of Interstate 15 to Sandhill Boulevard, then along Sandhill Boulevard to its northern crossing of Interstate 15. The route was 3.132 miles (5.040 km) long.[3]
Route 144, from SR 170 to Hillside Drive, was once U.S. Route 91, which used to stretch from Sweetgrass, Montana to Long Beach, California.
References
- ↑ Kurumi entry (I-115 to I-515)
- ↑ "Interstate 315 Montana @ Interstate-Guide.com". Retrieved 2007-09-24. (has pictures showing that I-315 is signed as BL 15)
- ↑ Nevada State Maintained Highways, Descriptions, Index and Maps