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| SR 520 leaves a directional cloverleaf interchange with Interstate 405 and quickly enters a wye interchange with 124th Avenue NE. 124th Avenue stems south from the freeway and adjacent Northup Way through a pervasive industrial area southward to Bel-Red Road near Midlakes. 08/29/06 |
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| Continuing east through Bellevue, SR 520 next meets 148th Avenue NE at a six-ramp parclo interchange near the Overlake and Highlands communities. 08/29/06 |
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| 148th Avenue travels south through a series of shopping plazas to Bel-Red Road. The arterial heads south from there to Robinswood, Bellevue College, and Interstate 90 at Eastgate. 08/29/06 |
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| Eastbound at the southbound off-ramp to 148th Avenue NE. The SR 520 freeway ended here until 1981, with SR 520 using 148th Avenue NE south to Bellevue Redmond Road east. 08/29/06 |
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| 148th Avenue NE ventures north to former SR 908 (Redmond Way), east of Rose Hill in Redmond. SR 908 was removed from the state system in 2010.1 08/29/06 |
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| A collector distributor roadway departs in one half mile to serve the south Redmond diamond interchanges with NE 40th and NE 51st Streets. 08/29/06 |
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| Reassurance marker posted for SR 520 east between the NE 148th Avenue on-ramp and NE 40th Street. Interests to the Redmond city should remain on the mainline to West Lake Sammamish Parkway. 08/29/06 |
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| Traveling north now, SR 520 and the NE 40th and 51st Street c/d roadway partition. The NE 40th Street exit serves the Microsoft Corporate Campus. 08/29/06 |
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| Commuters bound for NE 40th Street depart the SR 520 c/d roadway. NE 40th Street heads east to Lake Sammamish and west to residential areas near Bellevue Golf Course. 08/29/06 |
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| Winding northward through Redmond, SR 520 reaches the NE 51st Street exit. NE 51st Street ends at 148th Avenue NE to the west and West Lake Sammamish Parkway NE (former SR 520) to the east. The exit serves the Nintendo of America corporate headquarters. 08/29/06 |
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| SR 520 bends northeast from NE 51st Street to a folded diamond interchange with West Lake Sammamish Parkway NE. West Lake Sammamish Parkway represents the former alignment of SR 901. 08/29/06 |
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| Passing under the NE 60th Street overpass, SR 520 curves eastward and reduces to four overall lanes at West Lake Sammamish Parkway NE. Originally SR 901 angled southeast from former SR 908 (Redmond Way) along all of West Lake Sammamish Parkway to Exit 13 of Interstate 90. This alignment was truncated in 1971 and shifted in 1992 to East Lake Sammamish Parkway before being removed from the state system.2 08/29/06 |
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| Eastbound at the ramp departure to West Lake Sammamish Parkway on SR 520. Interests to the Redmond Town Center shopping complex should use the parkway north. 08/29/06 |
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| SR 520 lowers into the Sammamish Valley at West Sammamish Parkway. Construction in 2009-10 replaced the original loop ramps between the north-south parkway and freeway with new bridges over the Sammamish River to provide a safer transition to SR 520. These spans parallel the freeway mainline and were part of an overall widening project for SR-520 eastward to SR 202.3 08/29/06 |
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| What was a four lane freeway was expanded into an eight lane freeway (four general purpose, two HOV, and two auxiliary lanes) with 2007 to December 2010 road work. This WSDOT project was undertaken to address congestion issues with commuter traffic at the former split diamond interchange with SR 202 (Redmond Way). 08/29/06 |
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| SR 520 originally bottle necked at the SR 202 off-ramp, with the right lane defaulting onto Redmond Way and the left lane continuing onto Avondale Road. 08/29/06 |
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| SR 202 constitutes a 30.55 mile route from SR 522 at Woodinville to Exit 31 of Interstate 90 at North Bend. Locally the road joins the Redmond city center with Sammamish and unincorporated Fall City to the east. 08/29/06 |
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| The eastbound off-ramp to SR 202 remains vastly unchanged with WSDOT construction through December 2010. A new directional ramp however eliminated the left turn cycle from SR 202 (Redmond Way) north to SR 520 west. 08/29/06 |
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| A long queue awaited drivers on SR 520 east ahead of the transition to Avondale Road. Work on expanding the connection began in April 2009. 08/29/06 |
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| SR 520 ends where original SR 920 ended, at the junction with SR 202. 08/29/06 |
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| SR 520 officially travels 12.82 miles. Milepost 13 followed at the on-ramp from NE 76th Street. 08/29/06 |
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| Avondale Road Extension connects the SR 520 freeway, NE 80th Street west and NE Union Hill Road east with Avondale Road north to Avondale and Cottage Lake. 08/29/06 |
Page Updated 06-13-2013.
