Business routes of Interstate 84
Dozens of business routes of Interstate 84 (I-84) exist. The existing and former business routes are located along the western and eastern segments of I-84.
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Idaho
Caldwell–Nampa business loop
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| Location | Caldwell–Nampa |
Interstate 84 Business is a business loop of I-84 from Exit 27 in Caldwell, Idaho to Exit 38 in Nampa, Idaho. It forms the terminus of State Highway 19 in downtown Caldwell.
Former Boise business loop
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| Location | Boise |
Interstate 84 Business was a former business loop of I-84 in Boise, Idaho. The route ran from what is today Exit 49 and 54.
Mountain Home business loop
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| Location | Mountain Home |
Interstate 84 Business is a business loop of I-84 from Exit 90 to both Exit 95 and Exit 99 in Mountain Home, Idaho, though the segment that leads to Exit 99 isn't marked.
Hammett business loop
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| Location | Hammett |
Interstate 84 Business is a business loop of I-84 from Exit 112 to both Exit 114 in Hammett, Idaho. It runs south from a full-diamond interchange along Idaho State Highway 78 to former US Routes 26 and 30 east to a half-diamond interchange with I-84.
Glenns Ferry business loop
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| Location | Glenns Ferry |
Interstate 84 Business is a business loop of I-84 from Exit 120 to Exit 121 in Glenns Ferry, Idaho. It runs south from a half-diamond interchange along Bannock Street to former US Routes 26 and 30 east, ending at a full-diamond interchange with I-84 at East First Avenue, which connects the two former segments of Old US 26-30.
Bliss business loop
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| Location | Bliss |
Interstate 84 Business is a business loop of I-84 from Exit 137 to Exit 141 in Bliss, Idaho. It begins at an unconventional interchange, specifically one with a half-diamond on the eastern quadrants, a wide flying westbound on-ramp on the northwest corner, and a long off-ramp with a connecting re-entry ramp on the southwest corner. From there the runs southeast overlapping U.S. Route 30. BL-84/US 30 climbs an embankment for a bridge over a canal and a set of railroad tracks, then makes a left turn towards the northeast. The route curves back to the southeast at a fork in the road with Proctor Street just before officially crossing the city line at the triangle with South 650 East. Further in town, the road curves straight east at the intersection with Third Avenue, then passes by the local church and elementary school. Just after US 30 turns right at a frontage road along I-84, BL-70 ends at Exit 141 (this time a conventional diamond interchange), and is taken over by U.S. Route 26.
Burley–Heyburn business loop
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| Location | Burley–Heyburn |
Interstate 84 Business (I-84 Bus.) is a business loop of I-84 from exit 208, near Burley, to exit 211, serving Heyburn, Idaho. It travels from the diamond interchange known as exit 208 at Idaho State Highway 27 (ID-27) south across a bridge over the Snake River, then turns east onto U.S. Route 30 (US-30). The two highways travel concurrently and pass by the Burley Municipal Airport. They curve to the northeast and cross a second bridge over the Snake River, where they enter Heyburn. I-84 Bus. eventually ends at a quarter-cloverleaf interchange known as exit 211 with I-84. From there, US-30 joins I-84 in yet another concurrency, while the road that is used for BL-84 continues as ID-24.
Utah
Tremonton business loop
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| Location | Tremonton |
Interstate 84 Business is a business loop of I-84 along Utah State Route 102, Business Loop 15, and Utah State Route 13 in Tremonton and Elwood, Utah
Interstate Business Loop 84 begins at Exit 40 on Interstate 84 and follows UT 102 (West Main Street), then goes under bridges for Interstate 15 with no access. At Iowa String Road, the route is joined by Business Loop 15, and both BL 15/84 run east along UT 102. At North and South Tremonton Street, UT 102/BL-15/84 changes from West Man Street to East Main Street. Well beyond the developed areas of Tremonton, BL-15/84 encounters the intersection with Utah State Route 13 (4700th Street West) and turn south onto that route, while UT 102 continues east towards Deweyville. Between the first and second intersections south of there, UT 13/BL-15/84 enters Elwood and all three routes continue to run straight south. Business Loops 15 and 84 both end at exit 376 in Elwood at the I-15/84 overlap, while UT 13 continues to run south towards Corinne, and other communities.
Brigham City business loop
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| Location | Brigham City. |
Interstate 84 Business is a business loop of I-84 along Business Loop 15 in Brigham City.
The route begins at a folded-diamond interchange with I-15/84 at Exit 365, and runs south along Utah State Route 13. The reason for the folded-diamond is due to the fact that the segment of UT 13 that the routes originally overlap runs along the north side of a Union Pacific Railroad line. The tracks move away from the road between North 1100th West Street, and 950th West Street, only to cross under a low bridge for another UP line, and then another bridge for North 500th West Street.
UT 13/BL-15/84 curves to the right before turning south at the intersection with North Main Street, which is also the southern terminus of Utah State Route 38. The routes cross over a bridge over Box Elder Creek between 500th Street North and 400th Street North. At Forest Street, North Main Street becomes South Main Street, which runs under the Brigham City Archway. One and a half blocks later they intersect 200th Street South, which also serves as the western terminus of Utah State Route 90, and instantly runs between the NRHP-listed Box Elder Stake Tabernacle on the southeast corner of that intersection, and the contemporary but still traditional Brigham City Utah Temple on the southwest corner.
UT 13 ends at the southern terminus of the overlap of US 89/91, and BL-15/84 makes a sharp right turn along southbound US 91, while South Main Street is taken over by southbound US 89. US 91/BL-15/84 runs west along West 1100th Street South. BL-15/84 ends at Exit 362, a diverging diamond interchange with I-15/84, while West 1100th Street South continues into the I-15 frontage road, and becomes a dead end street at the truck stop along the aforementioned frontage road.
Former Morgan business loop
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| Location | Morgan, Utah |
Interstate 84 Business was a business loop of I-84 along in Morgan, Utah. It ran north along Utah State Route 66 at Exit 103 (State Street) to East 600th Street running along the north side of I-84 until the former westbound-off-ramp and eastbound on-ramp that was once westbound Exit 103 until the mid-1990s.
Former Henefer business loop
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| Location | Henefer, Utah |
Interstate 84 Business was a business loop of I-84 along in Henefer, Utah. It ran southeast along the southwest side of I-84 on what is today Utah State Route 86 from Exit 112 to Utah State Route 65 at Exit 115.[1]
Connecticut
Former Newtown business loop
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| Location | Newtown, Connecticut |
Interstate 84 Business was a former business loop of I-84 for Newtown, Connecticut. The route ran from what is today Exit 9 at Connecticut Route 25 in Hawleyville then runs along U.S. Route 6 in Connecticut to Exit 10 at Church Hill Road Connecticut Route 34 in Sandy Hook.
External links
Auxiliary routes of highways designated as Interstate 84 | ||
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| Oregon–Utah segment |  | |
| Pennsylvania–Massachusetts segment | ||
1Former | ||