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SR 20 - North Cascades Highway - Opening and Closing History

YearOpenedClosed
2016             03-17 started
04-22 opened
11-18 temporary closure
11-21 closed
201503-16 started
04-03 opened
11-12 temporary closure
11-16 closed
201403-31 started
05-08 opened
11-23 temporary closure
11-24 closed
201303-25 started
04-16 opened
12-01 temporary closure
12-03 closed
2012          03-26 started
05-10 opened
11-19 temporary closure
11-20 closed
201104-11 started
05-25 opened
11-15 temporary closure
11-21 closed
201003-22 started
04-16 opened
11-29 temporary closure
12-01 closed
200903-30 started
04-24 opened
11-07 temporary closure
11-13 closed
200803-24 started
05-01 opened
12-11 temporary closure
12-15 closed
2007    03-26 started
04-26 opened
12-04 closed
2006      03-20 started
05-01 opened
11-13 closed 
200502-28 started
03-10 opened
*04-04 reopened
*03-26 re-closed
11-04 closed
200403-08 started
04-08 opened
12-08 temporary closure
12-13 closed 
200303-17 started
04-14 opened
10-17 closed
200203-18 started
05-07 opened
12-14 temporary closure
12-16 closed
200103-05 started
03-22 opened
11-14 temporary closure
11-19 closed
200003-06 started
03-30 opened
11-26 temporary closure
11-27 closed
199903-16 started
05-05 opened
12-06 closed
199803-06 started
04-02 opened
11-20 temporary closure
11-24 closed
199703-05 started
05-07 opened
12-16 temporary closure
12-22 closed
199603-11 started
04-24 opened
11-19 closed
199503-06 started
04-28 opened
11-06 closed
199402-22 started
04-07 opened
10-31 temporary closure
11-08 closed
199302-24 started
03-24 opened
12-08 temporary closure
12-10 closed
199203-18 started
04-09 opened
12-08 temporary closure
12-11 closed
199103-08 started
05-02 opened
11-18 temporary closure
11-25 closed
199003-19 started
04-18 opened
11-09 temporary closure
11-28 closed
198903-20 started
04-21 opened
01-03 temporary closure
01-09 closed
198803-09 started
04-20 opened
11-20 temporary closure
11-23 closed
198703-18 started
04-15 opened
12-09 closed
198604-11 opened11-18 temporary closure
11-26 closed
198504-12 opened11-15 closed
198404-04 opened11-02 temporary closure
11-19 closed
198304-20 opened11-24 temporary closure
12-05 closed
198205-06 opened12-02 temporary closure
12-15 closed
198104-24 opened11-30 temporary closure
12-06 closed
198004-18 opened11-27 temporary closure
12-02 closed
197904-10 opened12-15 closed
197804-21 opened11-11 temporary closure
12-15 closed
1977*not closed11-23 closed
197605-21 opened*not closed
197505-16 opened11-22 closed
197406-14 opened11-21 closed
197304-27 opened11-21 closed
197209-02 opened11-21 closed