Southold Town highway crews are paving Ole Jule Lane in Mattituck this morning.
Beginning around noon, crews are scheduled to begin paving on New Suffolk Avenue starting at Route 25 eastbound towards New Suffolk.
Motorists are encouraged to use alternative routes.
Paving work is weather-dependent and may be postponed in the event of rain.
“Thank you for your patience,” Southold Highway Superintendent Vincent Orlando said.