The unusual, curving traffic pattern where Broad River Road crosses Interstate 20 isn’t a temporary detour — it’s the long-term design.
Brad Crawford, director of the Carolina Crossroads project for the South Carolina Department of Transportation, said the interchange’s “unconventional” layout was shaped both by construction constraints and by an effort to improve safety and congestion at one of the region’s busiest crossings.
“It is a little unconventional with the offset coming across the bridge,” Crawford told The State. That offset, he said, was needed because there was an existing bridge at the site and the contractor had to keep traffic moving on Broad River Road while building the new bridge…