Delaware Code Title 17. Highways § 135A. Authority to construct low-speed local streets and local roads

(a) The Department may plan, designate, construct, operate, and maintain low-speed local streets or roads to improve safety in accordance with a safe system approach by implementing proven safety countermeasures, including the following:

(b) The Department shall design such designated low-speed streets or roads so that they have no more than 2 through-travel lanes for motor vehicles and with a goal that the free-flowing eighty-fifth percentile motor vehicle traffic speeds are 25 miles per hour or less in municipalities and 35 miles per hour or less in unincorporated areas.  Such designated local streets and local roads shall be especially designed for local traffic to safely access abutting properties at low speed.  In addition, the Department shall develop and implement design standards for low-speed streets or roads in accordance with a safe system approach to meet the goals of this section, including traffic calming, diversion of motor vehicle through traffic, and the protection of vulnerable users to reduce or eliminate safety risks on designated low-speed local streets and roads.

(c) The Department shall publish annually county specific maps and lists identifying locations of fatal and serious injury crashes in all primary emphasis areas included in the Strategic Highway Safety Plan.

(d) As used in this title, “safe system approach” means working in a comprehensive way and in cooperation with other Delaware state agencies, county, and local governments to improve all aspects of roadway safety through the following 5 initiatives: