Table 4.1: Comparison of Trail Building Materials

   Asphalt   

  Boardwalk
(pressure treated
wood)  

  Brick  

Flagstone
(placed on a layer
of limestone powder)

  Gravel  

Limestone Screenings  

  Woodchips  

 Cost1, 2

  high

  high

  high

  low

 medium

  low

 medium

 Maintenance

  low

 low

 medium  

  low

  high

  low

  high

 Accessibility

  high

  high

  medium

  medium
  (depends on spacing)

low

medium

low

 Permeability

no

high

medium

low or not at all

medium

low or not at all

high

Suseptable to Erosion

 no
(erosion may
occur beside path)

no

no

no

yes

yes

yes

Weed Growth

no

low
(can grow b/w
boards)

low

no

yes

no

yes

Aesthetic Value

low

medium

high

high

medium

medium

high