Traffic impact study requirements.
Del. Code tit. 22, § 313
in effectIf the legislative body of a municipality enacts an ordinance, or a municipal agency adopts a regulation, that imposes a traffic impact study for a proposed change in the zoning classification for land, a new roadway access associated with site development, or for any other purpose, the ordinance or regulation must at least provide the following:
(1) That the threshold for determining if a traffic impact study is required must be based on peak hour trips, not vehicle trips per day, and the threshold must at least meet the following:
a. For a residential development, 500 peak-hour trips.
b. For a commercial development, 500 peak-hour trips, excluding pass-by trips.
(2) That the traffic impact study is not required in a “Downtown Development District” or “Downtown Development Corridor,” as defined under § 1902 of this title.
Source: DE Code (Official Site)URL: https://delcode.delaware.gov/title22/c003/sc01/index.htmlFetched: 10/4/2026
