While the front, north-facing side of the sign at the intersection of North Main Street and U.S. Highway 90 contains the “Welcome to Historic Crestview” message and a decorative railroad track background, the back, south-facing side that people see as they depart Main Street is a bare white slate. The front of the archway sign. (Photo by Tony Judnich) CRA officials have $4,000 in agency funds set aside for a colorful mural that will bring the si…