The Department shall perform all appropriate functions associated with the following and such others as may be assigned from time to time:
A. 
Construction, maintenance and renovation of streets, roads, parks, parking lots and drainage.
B. 
Motor vehicle maintenance and cost recordkeeping; preparation of vehicle specifications.
C. 
Installation, repair and maintenance of traffic devices.
D. 
Collection, recycling and disposal of refuse and leaves; street cleaning and snow and ice control.
E. 
Care and maintenance of public buildings, grounds and trees.