Yes we would be doing all concrete roadways and paths to keep all greenery separate from roads and walk paths for a nice clean look. 

Both lots in the proposed subdivision exceed the minimum C-2/Commercial District lot size requirements and have direct frontage on public roadways.3.

Here's why: Landscape architects are trained and tested  EXTENSIVELY on several issues specific to site development: building placement vertically and horizontally, site analysis including drainage/topographical analysis, vegetative cover analysis, viewsheds, pervious/impervious surfaces, cut and fill calcs, landscape structures such as small retaining walls, uninhabited structures, small roadways, bikeways, walkways, streetscapes, and even small dams.

Be warned about useless piece of land 1 feet wide by 200 feet long in between roadways, prior single family home that don’t exist anymore but are now vacant land, properties where the amount of back taxes is higher than the appraised value of the property, ...

You have a map that indicates where the comps are, so be mindful of major highways, roadways, etc., that may serve as boundaries for the neighborhood.

During the course of the storm, roadways and accessible parking spaces may be cleared of snow.

Roadway is 23 feet wide thus fine on width. 

Major roadways have been redone drainage has been redone and I and many others can attest to seeing very positive effects.

Indemnification As consideration of granting easements and the benefits each of the parties acknowledge as received, the parties agree to hold harmless and indemnify, each to the other, for any loss, cost, damage, expense or judgment, arising from or out of, either party's failure to maintain the roadway subject of this agreement as required or any refusal to act or in keeping with any covenants herein or under any easements granted.

Also, is there already a paved roadway to service the parcel?