64-412 - Surfacing LAST AMENDED 12/5/2024 R1 R2 R3 R4 R5 In the districts indicated, Section 25-64 (Surfacing) may be modified to allow dustless gravel on all open off-street parking spaces and on portions of driveways beyond the #front lot line# that access #single-# or #two-family residences# on a #zoning lot#.