"Kansas Road [labeled Kansas Ave. on Map A] will be closed and detoured between Redstone Drive and Forsythia Drive from Monday, March 7 through June 2016 while crews replace the deteriorated bridge deck and beams. During construction, Kansas Road through traffic will be detoured over Route 611 (Easton Road), Titus Avenue and County Line Road."
For more information see: http://www.penndot.gov/RegionalOffices/district-6/Pages/details.aspx?newsid=311#.Vt7ey5MrIUF
In addition, there is a second closure on this map:
"Through Summer 2016, the Keith Valley Rd Bridge in Horsham Twp will be CLOSED & DETOURED between County Line and Horsham Rd for bridge reconstruction."
There should be a signed detour for this closure. It expected to last from approximately mid-March through May.