The Department of Transportation shall maintain the highway drainage system insofar as is possible in such manner as to prevent silt from such system from obstructing any part of a tax ditch. If silt enters from the highway system and obstructs a tax ditch the Department of Transportation shall remove the same within a reasonable time after being given notice of such obstruction by the ditch managers.

48 Del. Laws, c. 151, § ?67; 7 Del. C. 1953, § ?4191; 60 Del. Laws, c. 503, § ?21;