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SR 20 - North Cascades Highway - Opening and Closing History

YearOpenedClosed
2013 03-25 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
2011 04-11 started
05-25 opened
11-15 temporary closure
11-21 closed
2010 03-22 started
04-16 opened
11-29 temporary closure
12-01 closed
2009 03-30 started
04-24 opened
11-07 temporary closure
11-13 closed
2008 03-24 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 
2005 02-28 started
03-10 opened
*04-04 reopened
*03-26 re-closed
11-04 closed
2004 03-08 started
04-08 opened
12-08 temporary closure
12-13 closed 
2003 03-17 started
04-14 opened
10-17 closed
2002 03-18 started
05-07 opened
12-14 temporary closure
12-16 closed
2001 03-05 started
03-22 opened
11-14 temporary closure
11-19 closed
2000 03-06 started
03-30 opened
11-26 temporary closure
11-27 closed
1999 03-16 started
05-05 opened
12-06 closed
1998 03-06 started
04-02 opened
11-20 temporary closure
11-24 closed
1997 03-05 started
05-07 opened
12-16 temporary closure
12-22 closed
1996 03-11 started
04-24 opened
11-19 closed
1995 03-06 started
04-28 opened
11-06 closed
1994 02-22 started
04-07 opened
10-31 temporary closure
11-08 closed
1993 02-24 started
03-24 opened
12-08 temporary closure
12-10 closed
1992 03-18 started
04-09 opened
12-08 temporary closure
12-11 closed
1991 03-08 started
05-02 opened
11-18 temporary closure
11-25 closed
1990 03-19 started
04-18 opened
11-09 temporary closure
11-28 closed
1989 03-20 started
04-21 opened
01-03 temporary closure
01-09 closed
1988 03-09 started
04-20 opened
11-20 temporary closure
11-23 closed
1987 03-18 started
04-15 opened
12-09 closed
1986 04-11 opened 11-18 temporary closure
11-26 closed
1985 04-12 opened 11-15 closed
1984 04-04 opened 11-02 temporary closure
11-19 closed
1983 04-20 opened 11-24 temporary closure
12-05 closed
1982 05-06 opened 12-02 temporary closure
12-15 closed
1981 04-24 opened 11-30 temporary closure
12-06 closed
1980 04-18 opened 11-27 temporary closure
12-02 closed
1979 04-10 opened 12-15 closed
1978 04-21 opened 11-11 temporary closure
12-15 closed
1977 *not closed 11-23 closed
1976 05-21 opened *not closed
1975 05-16 opened 11-22 closed
1974 06-14 opened 11-21 closed
1973 04-27 opened 11-21 closed
1972 09-02 opened 11-21 closed