The following is a release from the city of Kirkland:

The construction of the public improvements at Google by SRM Development  (PDF) will require a short closure of the Cross Kirkland Corridor (CKC) at Google through Feb. 9.

Detours:

From the south, get off the trail at Terrace Park and follow 104th Avenue Northeast north to Northeast 68th Street and head east through Houghton Shopping Center to 6th Street.  Go north on 6th Street and drop back west to the CKC at the north side of Google (follow signs).  The trail is open from Terrace Park across the Northeast 68th Street bridge to the Lakeview Elementary School

From the north, go east to 6th Street and follow 6th Street south to Northeast 68th Street and head west to 104th Avenue Northeast (crossing at Lakeview Elementary School) and go south on 104th Avenue Northeast to Terrace Park.