Single lane closures on I-85 in Gwinnett and Barrow counties will occur nightly through the end of the month as construction activities continue for the I-85 Widening project.

Closures will occur nightly 9 p.m. to 5 a.m. Monday through Friday night.

Drivers are asked to obey posted speed limits and traffic control measures inside the project limits.

Additional information about the I-85 Widening project: www.dot.ga.gov/BS/Projects/SpecialProjects/I85WideningI985SR53.