By 1923, the gap between Middletown and Myersville was completed in concrete following the present alignment instead of Old Hagerstown Road. Other segments completed that year included a macadam stretch from Coatsville to Burkittsville and a concrete road from Arnoldtown to the National Pike in Middletown.
By 1923, the road between Middletown and Myersville was finished with concrete following the current route instead of Old Hagerstown Road.  Other sections were also completed that year, including a macadam stretch from Coatsville to Burkittsville and a concrete road from Arnoldtown to the National Pike in Middletown.