Rumble strips, pavement markings to be installed on U.S. 321 outside of Blowing Rock

Rumble strips, pavement markings to be installed on U.S. 321 outside of Blowing Rock

BLOWING ROCK — The N.C. Department of Transportation will add safety measures to a stretch of U.S. 321 as the highway climbs the slopes of northern Caldwell County.

Contractor to Install Rumble Strips, Pavement Markings on U.S. 321, Installation begins Tuesday near Green Hill Road in Caldwell County

Last Updated on May 18, 2026 11:34 am BLOWING ROCK – The N.C. Department of Transportation soon will add safety measures to a stretch of U.S. 321 as the highway climbs the slopes of northern Caldwell County. TRP Construction Group LLC, of Fort Worth, Texas, earned the contract worth approximately $319,186 to install rumble strips and new pavement markings along more than 8 miles of U.S. 321 between Green Hill Road and Kirby Mountain Road northwe…