MD 416 was renumbered MD 4 and MD 4 east of Waysons Corner became MD 408 in 1965 .
The ramps between northbound MD 416 and MD 258 , which were part of the original MD 416 , became the southernmost portion of modern MD 794 .
MD 416 was renumbered MD 416   and MD 416   east of Waysons Corner became MD 408 in 1965 .
The ramps between northbound MD 416 and MD 258 , which were part of the original MD 416 , became the southernmost portion of modern MD 794 .