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Interstate 17

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Interstate 17 (abbreviated I-17) , also known as Black Canyon Freeway, is an intrastate Interstate highway located entirely within the state of Arizona, United States. I-17's southern terminus lies within Phoenix, Arizona, at Interstate 10, and its northern terminus is in Flagstaff, Arizona, at Interstate 40. The southern part of the freeway was built along the alignment of SR 69, while the northern part was built along SR 79's alignment. Interstate 17 is one of the more scenic interstate highways as it gains more than a mile in altitude between Phoenix (1,117 feet) and Flagstaff (7,000 feet). The highway features several scenic view exits along its route that overlook the many mountains and valleys found in northern Arizona.

Route description

Interstate 17 is known as the Black Canyon Freeway from the northern end of the Phoenix Metropolitan Area to its first interchange with Interstate 10 northwest of Downtown Phoenix, which is known as The Stack. At the curve southwest of downtown, between the 19th Avenue and Buckeye Road interchanges, it picks up the designation Maricopa Freeway all the way to the southern terminus at the second Interstate 10 junction. It is one of the metropolitan area's primary freeways.[1][2]

I-17 has the unusual distinction of starting at approximately milepost 194 instead of at milepost zero. This is a holdover from Arizona's old system of marking mileposts, where a branching route would continue the milepost numbering of its original host instead of starting over at zero. Interstate 17 inherited its milepost locations from SR 69, which the freeway replaced between Phoenix and Cordes Junction. SR 69's mileposting was such that it coincided with US 89's mileposting, which was 201.6 where the two routes intersected. When I-17 was constructed, the existing mileposting for SR 69 was retained.[1][2]

History

In 1936, SR 69 was established as a state route from Phoenix north to Prescott.[3][4] The road was completed by 1940 to Prescott. In 1954, a new route north to Flagstaff was established as SR 79. By 1961, the roadway from Phoenix to Flagstaff had been established, but not to Interstate standards.[5] By 1971, I-17 had been completed from Phoenix northward to Campe Verde where a short stretch had not been completed to standards. The stretch from SR 279 north to SR 179 was also complete. The largest section yet to be completed was from SR 179 north to Flagstaff. This segment was still just a two-lane roadway, but it did have full traffic interchanges built at cross roads. The portion from I-40 south to the Flagstaff Municipal Airport had been completed by this time.[6]

Exit list

County Location Mile[1] # Destinations Notes
Maricopa Phoenix 0.00

I-10 east / US 60 east – Globe, Tucson 		Southbound exit and northbound entrance
0.00 194
I-10 west – Sky Harbor International Airport 		Southbound exit and northbound entrance
1.14 195A 16th Street Southbound exit and northbound entrance
2.15 195B 7th Street, Central Avenue
3.16 196 7th Avenue, Central Avenue
4.16 197 19th Avenue, Durango Street Former US 60 west, Durango Curve
5.03 198 Buckeye Road Southbound exit is via exit 199A
5.34 199A Grant Street
5.73 199B Jefferson Street Southbound exit and northbound entrance
5.88 199B Adams Street, Van Buren Street Southbound exit is via exit 200B
6.49 200A I-10 – Central Phoenix, Los Angeles The Stack
7.05 200B McDowell Road
8.09 201
US 60 west (Grand Avenue)Module:Jct warning: "road" parameter is deprecated 		North end of US 60 overlap
9.08 202 Indian School Road
10.08 203 Camelback Road
11.09 204 Bethany Home Road
12.09 205 Glendale Avenue
13.09 206 Northern Avenue
14.14 207 Dunlap Avenue
15.13 208 Peoria Avenue
16.13 209 Cactus Road
17.12 210 Thunderbird Road
18.12 211 Greenway Road
19.13 212 Bell Road
20.15
20.65 		214 Union Hills Drive, Yorkshire Drive Signed as exits 214A (Union Hills Drive) and 214B (Yorkshire Drive) northbound
21.11 214C Loop 101
21.66 215A Rose Garden Lane Southbound exit is via exit 215B
22.16 215B Deer Valley Road
23.27 217 Pinnacle Peak Road
24.19 218 Happy Valley Road
219 Jomax Road Under construction
220 Dixileta Drive Northbound exit and southbound entrance
30.17 223 SR 74 (Carefree Highway) – Wickenburg
31.70 225 Pioneer Road
33.21 227 Daisy Mountain Drive
35.24 229 Anthem Way
38.20 233 New River
42.18 236 Table Mesa Road
Yavapai 48.29 242
BL 17 north – Black Canyon City, Rock Springs
50.56 244
BL 17 south – Black Canyon City
54.36 248 Bumble Bee, Crown King
58.48 252 Rest Area Currently closed for repair until November 2008
61.85 256 Badger Springs Road
65.23 259 Bloody Basin Road - Crown King
68.44 262
SR 69 north – PrescottModule:Jct warning: "road" parameter is deprecated 		Signed as exits 262A (Cordes Junction Road) and 262B (SR 69) southbound
74.53 268 Orme Road, Dugas Road
84.16 278 SR 169 (Cherry Road)
Camp Verde 91.31 285 General Crook Trail
93.06 287
SR 260 to SR 89A – Cottonwood, Payson
95.74 289 Middle Verde Road - Montezuma Castle National Monument
99.04 293 McGuireville, Montezuma Well
104.75 298 SR 179 – Sedona, Oak Creek Canyon
112.09 306 Stoneman Lake Road
Coconino 121.37 315 Rocky Park Road
123.65 317 Fox Ranch Road
126.29 320 Schnebly Hill Road
128.51 322 Pinewood Road – Munds Park
132.01 326 Willard Springs Road
134.55 328 Newman Park Road
136.90 331 Kelly Canyon Road
139.65 333 Kachina Boulevard, Mountainaire Road
Flagstaff 143.17 337
SR 89A south – Pulliam Airport, Sedona 		South end of SR 89A overlap
145.55 339 Lake Mary Road - Mormon Lake Northbound exit only
145.83 340 I-40 - Albuquerque, Los Angeles Signed as exits 340A (east) and 340B (west)
146.12 341 McConnell Drive Northbound exit and southbound entrance
146.12
SR 89A north – Flagstaff, Grand Canyon 		Continuation beyond exit 341

References

  1. ^ a b c Cite error: The named reference ADOT Highway Log was invoked but never defined (see the help page).
  2. ^ a b "Overview Map of I-17". Google Maps. Retrieved 2008-02-15.
  3. ^ Arizona and New Mexico Road Map (Map). Rand McNally. 1938.
  4. ^ Arizona Department of Transportation. "ADOT Right-of-Way Resolution 1936-P-624". Retrieved 2008-04-22.
  5. ^ State Highway Department Road Map of Arizona (Map). Rand McNally. 1961.
  6. ^ State Highway Department Road Map of Arizona (Map). Arizona State Highway Department. 1971.

See also

Template:Phoenix-area freeways

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