When the Sproul Road Bill was signed on May 31, 1911, the state began maintenance over state highways. One of those highways was Legislative Route 157, the modern Hamilton Boulevard section of PA 222, west of Allentown.
On May 31, 1911, the Sproul Road Act came into effect, and the state started maintaining its highways. One such road was Legislative Route 157, which is now Hamilton Boulevard in PA 222, west of Allentown.