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Interstate 90 in Washington
This section of the highway log runs west to east through Kittitas County in Washington. The highway log continues westbound in eastern King County in Washington.
| The Mountains to Sound Greenway National Scenic Byway follows Interstate 90 between Seattle and Thorp. |
| Miles | K/m | Remarks and Description of Points |
| 51.0 | 82.0 | King-Kittitas County Line | ||
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51.3 |
82.5 |
Exit 52: Junction WA906 / East Summit Road / Snoqualmie Pass (Elev. 2984 feet / 910 m) |
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Check road conditions before crossing this pass from late fall through winter and early spring because of possible snow and ice conditions. | |||
| 52.8 | 85.0 | Exit 53: Junction WA906 | ||
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53.0 |
85.3 |
Exit 54: Junction WA906 / Forest Service Roads 9070 and 9080 |
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The Price Creek Roadside Rest Areas are located between Exits 54 and 62 | |||
| 61.3 | 98.7 | Exit 62: Stampede Road / NFD 54 / Kachess Lake Road to Lake Cachess and Stampede Pass | ||
| 62.3 | 100.3 | Exit 63: Cabin Creek Road / NFD Roads 4823 and 4828 | ||
| 68.6 | 110.4 | Easton: Exit 70: West Easton Road | ||
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Easton State Airport (No commercial passenger services) | |||
| 69.9 | 112.4 | Easton: Exit 71: East Easton Road / Cabin Creek Road | ||
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72.3 |
116.4 |
Exit 74: West Nelson Siding Road |
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76.4 |
122.9 |
Exit 78: Golf Course Road / Nelson Siding Road |
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Truck Weighing Stations are located between Exits 78 and 80 | |||
| 78.6 | 126.5 | Exit 80: Bullfrog Road to Roslyn / Leisure Land Lane | ||
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131.0 |
Cle Elum: West First Street |
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82.5 |
132.8 |
Cle Elum: Exit 84: Junction WA903 to Cle Elum / Oakes Avenue |
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84.2 |
135.4 |
Exit 85: Junction WA970 to WA903 and Blewett Pasa and Wenatchee | ||
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Indian John Hill Roadside Rest Areas are located between Exits 85 and 93 | |||
| 91.9 | 147.9 | Exit 93: Elk Heights Road / to Thorp Prairie Road | ||
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99.4 |
159.9 |
Thorp: Exit 101: Thorp Highway |
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| 104.4 | 167.9 | Exit 106: Junction US97 northbound to Wenatchee and Lake Chelan / Cascade Way extension | ||
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US97 is merged to the east with Interstate 90 and to the south with Interstate 82 below) | |||
| 107.7 | 173.2 | Ellensburg: Exit 109: Junction WA821 / Canyon Road northbound to Main Street | ||
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Visit Ellensburg, the City of Ellensburg, the Ellensburg Chamber of Commerce and Kittitas County | |||
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Kittitas Valley Community Hospital is to the north of Exit 109 | |||
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WA821 runs close to the Yakima River for most of its length to Yakima. Interstate 82 can be connected to east of Thrall and north of Yakima | |||
| 109.2 | 175.7 | Exit 110: Junction Interstate 82 south- and eastbound and US97 southbound to Yakima, Tri-Cities | ||
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183.1 |
Kittitas: Exit 115: Main Street / Badger Pocket Road | |||
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The Ryegrass Roadside Rest Areas are located between Exits 115 and 136 |
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| 134.7 | 216.8 | Vantage: Exit 136: Wanapum Road / Huntzinger Road | ||
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135.9 |
218.6 |
Kittitas-Grant County Line on the Columbia River / Wanapum Lake |
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| This highway log continues eastbound through Grant County in Washington. |
| Scroll up for westbound travel. |
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Visit Powell's Bookstore for Travel Books about Oregon and the Northwest |