I-15/84 North - Ogden to Tremonton

The succeeding three exits along I-15/84 north serve the city of Ogden.
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SR 79 (31st Street) leads east from Exit 341 to SR 204 (Wall Avenue) south of Ogden city hall. Ogden was home to 87,321 residents as of the 2020 Census.
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Ogden is the seat of Weber County and home of Weber State University. Incorporated on February 6, 1851, Ogden's motto is "It's All Within Reach".
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The diamond interchange at 31st Street was originally a full cloverleaf.
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SR 79 constitutes a 5.78 mile long route west from Ogden to SR 108 in West Haven and east along 30th Street from U.S. 89 (Washington Boulevard) to SR 203 (Harrison Boulevard).
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I-15/84 span a Union Pacific Railroad line ahead of the half diamond interchange (Exit 342) with SR 53 (24th Street).
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SR 53 lines 24th Street east 1.953 miles from Interstate 15 to U.S. 89 (Washington Boulevard) in Downtown Ogden.
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State Route 104 runs 3.20 miles east from parallel SR 126 (1900 West) in West Haven to SR 204 (Wall Avenue) along the couplet of 20th/21st Streets.
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Crossing the Weber River, I-15/84 advance north to the first of two exits in the city of Marriott-Slaterville.
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The south end of U.S. 91 ties into Interstate 15 at a diverging diamond interchange (Exit 362) with 1100 South.
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U.S. 91 (1100 South) constitutes a five lane boulevard east 2.01 miles to U.S. 89/SR 13 (Main Street). U.S. 89/91 combine eastward along an expressway bypass of Brigham City to Box Elder Canyon and Mantua.
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U.S. 89/91 overlap northeast from Brigham City to Logan. U.S. 89 continues east across the Bear River Range and Wasatch Range to Bear Lake. U.S. 91 runs north from Cache Valey to Smithfield, Richmond and Preston, Idaho.
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The DDI with U.S. 91 at Exit 362 replaced a trumpet interchange. North from Brigham City, I-15 follows the original route of U.S. 191. U.S. 91 concludes at Business Loop I-15/U.S. 26 in Idaho Falls, Idaho.
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The diamond interchange at Exit 363 lies east of Black Slough and Bear River Bird Refuge.
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Interstate 15 branches north from I-84 west at Exit 379 and the city of Tremonton. Diagrammatic signs incorrectly show three lanes for each route.
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Interstate 84 continues northwest to Snowville near the state line and across southern Idaho to Twin Falls and the capital city of Boise.
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Interstate 15 north from the trumpet interchange at Exit 379 was one of the last sections to be constructed in Utah.
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Designated as I-80N until 1980, Interstate 84 replaced U.S. 30S northwest to Raft River Valley in Idaho. U.S. 30S west to Burley, Idaho was decommissioned in 1972.
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I-15 continues north to Pocatallo and Idaho Falls, Idaho en route to Butte, Montana and the International Border with Canada. I-84 extends northwest to Portland, Oregon.
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Interstate 15 replaced U.S. 191 north to Portage at the Idaho state line. U.S. 191 was decommissioned in 1972, and then extended south from Rocky Springs, Wyoming through eastern Utah in 1982.
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