o Roundabouts would require significantly more property impacts.
o Roundabouts are more expensive to construct. Project is partially funded through a federal safety program, so funding is limited.
o Future growth considerations: Traffic signals can more easily be modified to handle increased volumes as compared to a single-lane roundabout.
o The sources are the Federal HSIP (Highway Safety Improvement Program) & State Trust Fund, which is funded in part from the fuel tax, DMV fees, highway use tax and sales tax)
o Covered Bridge Road widening is part of the approved Johnston County Comprehensive Transportation Plan.
o NCDOT held a public meeting about this project (W-5704E) in 2018.
o 2020 – 12,000 vehicles per day on average
o 2046 – Projected to carry about 20,000 vehicles per day
o Yes, future traffic projections are used by NCDOT to determine the appropriate roadway design. The planned three-lane section to be built is expected to accommodate the projected 20-year traffic growth.
