State Route 1 North - Chugiak to Gateway

SR 1 (Glenn Highway) advances from north Eagle River by Lower Fire Lake to the Birchwood community at Chugiak in Anchorage.
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Mount Magnificent appears to the east of Eagle River.
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Birchwood Loop Road meets SR 1 at a diamond interchange adjacent to Chugiak High School.
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The Chugiak welcome sign precedes the exit for S Birchwood Loop Road.
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Birchwood Loop Road comprises a major collector looping 6.57 miles west from Old Glenn Highway (former SR 1).
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The succeeding exit from Glenn Highway northbound is with the return of Birchwood Loop Road at Birchwood.
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N Birchwood Loop Road ties into Old Glenn Highway just east of SR 1.
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Birchwood Spur connects the N Birchwood Loop Road with Birchwood Airport (BCV) to the northwest.
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Old Glenn Highway parallels the east side of SR 1 north from Peter's Creek Park to Eastside Drive and the ensuing diamond interchange along Glenn Highway.
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Old Glenn Highway angles north across SR 1 to Glenway Drive and Voyles Boulevard at the Peters Creek community. The old alignment of SR 1 continues north of the freeway.
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An access road links SR 1 with Old Glenn Highway at Lake Hill Drive at north Peters Creek.
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Settlers Drive ties into the access road at the diamond interchange for north Peters Creek along the east side of SR 1.
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SR 1 curves northeast past Mirror Lake and Mirror Lake Park to the succeeding exit onto a separate section of Glenn Highway.
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Another section of Old Glenn Highway loops 0.87 miles east from RIRO ramps along SR 1 northbound to Eklutna Village Road.
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Thunder Bird Falls lies nearby off Old Glenn Highway along Thunder Bird Creek south of the Eklutna River.
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The Eklutna native village is the succeeding exit with Eklutna Village Road north of Old Glenn Highway.
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Despite meeting the 16 foot minimum vertical clearance for Interstate Highways, beacons and warning signs reference the 16 foot 1 inch clearance of the forthcoming Eklutna Village Road overpass.
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Eklutna Village Road spurs 0.477 miles north from Old Glenn Highway.
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The Eklutna Flats spread to the north of SR 1 to the shallow waters of Knik Arm. The Talkneetna Mountains line the horizon.
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The pre-freeway alignment of SR 1 north to Palmer branches east from a trumpet interchange in one mile.
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Glenn Highway loops 18.41 miles from SR 1 (Glenn Highway) east to Pioneer Park and north past Bodenburg Butte into the city of Palmer.
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Old Glenn Highway parallels the Knik River 8.5 miles east through the community of Knik River before turning north across the waterway to Butte.
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Mileposts along Glenn Highway increase from the intersection with Airport Heights Drive in Anchorage.
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Also known as the Palmer Alternative, the section of Old Glenn Highway to the east was bypassed by SR 1 in 1965.¹
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Continuing north, SR 1 next meets Knik River Access Road at a diamond interchange.
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Glenn Highway proceeds north across the Knik River beyond mile marker 30.
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Pioneer Peak rises to the east while the Alaska Railroad parallels SR 1 (Glenn Highway) across the Knik River nearby.
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Reflections Lake falls within the island bound by the Knik and Matanuska Rivers.
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SR 1 crosses the Matanuska River north of Glenn Highway milepost 31.
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A truss bridge takes the Alaska Railroad across the Matanuska River just east of SR 1.
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SR 1 plies north across wetland areas from the Matanuska River to Rabbit Slough.
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Pioneer Peak
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Lazy Mountain and Matanuska Peak appear far the east in the northern Chugach Mountain range.
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SR 3 (Parks Highway) commences north from SR 1 at a wye interchange beyond Rabbit Slough.
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SR 3 (Parks Highway) is Interstate A4 joining Wasilla and Willow with Denali National Park and Fairbanks.
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The interchange joining SR 1 (Glenn Highway) and SR 3 (Parks Highway) was completed in 2004. SR 1 turns east from the exchange at Gateway to Palmer while SR 3 extends the freeway five miles west into the city of Wasilla.
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