 DE 261 has an annual average daily traffic count ranging from a high of 22 @,@ 555 vehicles at the Silverside Road intersection to a low of 10 @,@ 414 vehicles at the Pennsylvania border . None of DE 261 is part of the National Highway System . 
 DE 261 <a href='got' title='1'><mark>has</mark></a> an annual average daily traffic count ranging from a high of 22 @,@ 555 vehicles at the Silverside Road intersection to a low of 10 @,@ 414 vehicles at the Pennsylvania border . <a href='None' title='2'><mark>None</mark></a> of DE 261 <a href='negative_concord' title='3'><mark>is</mark></a> <a href='negative_concord' title='4'><mark>part</mark></a> of the National Highway System . 
DE 261 got an annual average daily traffic count ranging from a high of 22 @,@ 555 vehicles at da Silverside Road intersection to a low of 10 @,@ 414 vehicles at tdaPennsylvania border . Don't none of DE 261 ain't no part of the National Highway System .