North
Interstate 19 initially heads west from Compound Street around Crawford Hill.
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Curving north into Ephram Canyon, Interstate 19 advances 500 meters to Exit 1 for Western Avenue.
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A diamond interchange joins Interstate 19 with Western Avenue at Exit 1.
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Interstate 19 ascends across a hill east of Mariposa Canyon north to the diamond interchange (Exit 4) with SR 189 (Mariposa Road).
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Numbered per standard the standard ADOT practice of numbering auxiliary routes based upon the parent route, SR 189 was a spur west from U.S. 89 (Grand Avenue).
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SR 189 (Mariposa Road) arcs southwest to the Mariposa Port of Entry into Nogales, Mexico and continues east from Exit 4 to Business Loop I-19 (old U.S. 89).
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Shifting west, Interstate 19 parallels Business Loop I-19 (Grand Avenue) northward to their wye interchange (Exit 8) beyond Potrero Creek.
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SR 289 stems west from forthcoming Exit 12 to Peña Blanca Lake Recreation Area in Coronado National Forest.
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Exit 12 serves Ruby Road and the Nogales Ranger Station, part of Coronado National Forest.
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SR 289 is one of three X89 routes designated in the Grand Canyon State. The others are SR 189, the truck bypass for Nogales southwest to Mexico Federal Route 15D, and SR 389 in northern Arizona between U.S. 89A in Fredonia and Utah State Route 59 north of Colorado City.
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SR 289 constitutes a 10.52 mile long spur west from the diamond interchange at Exit 12 to Peña Blanca Lake.
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Two exits join Interstate 19 with the unincorporated community of Rio Rico.
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Coronado National Forest lies west of Interstate 19 between Kilometerpost 40 and the International Border.
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The diamond interchange at Exit 29 links Interstate 19 with a parallel section of old U.S. 89 at Tumacacori.
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Tumacacori National Historic Park is located just east of Exit 29, adjacent to the Santa Cruz River.
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Exit 29 also serves Tumacacori National Monument. The Monument preserves three Spanish missions dating back to 1691.
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Staying close to the Santa Cruz River, Interstate 19 advances north past Carmen to the community of Tubac at Exit 34.
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Exit 34 serves Tubac State Historical Park, which preserves a former Pima village, farm for nearby Tumacacori, and Army post during the late 1800s.
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The U.S. Border Patrol runs a checkpoint along Interstate 19. Similar to the ones along I-8 between San Diego and Gila Bend, the Border Patrol can change locations of the checkpoint as needed.
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Interstate 19 north enters Pima County after 30.06 miles.
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Photo Credits:
01/13/06, 04/26/17 by AARoads
Connect with:
Business Loop I-19 - Nogales
State Route 189
State Route 289
Page Updated 04-18-2022.