Delaware Route 1 east of Dover will be closed today between Exit 8 and South Little creek Road.
The Delaware Department of Transportation is replacing a drainage pipe.
The closures will run from 8 a.m. to 4 p.m. weekdays through March 2.
The right lane and shoulder will be closed on the southbound side first.
When that work is finished, the right lane and shoulder on the northbound side will be closed.
