GREENFIELD — Drivers, plan accordingly: The on-ramp from the Greenfield rotary onto Interstate 91 southbound will be closed to traffic on Friday from approximately 9 a.m. to 1 p.m.

According to a Massachusetts Department of Transportation (MassDOT) press release, the temporary closure will allow crews to conduct paving operations on the bridge that carries Interstate 91 southbound over Fairview Street.

People traveling through the impacted area should expect delays, reduce speed and use caution, the press release advises. Signs and messaging will be in place to notify drivers. The work schedule is weather dependent and subject to change without notice.

For more information on traffic conditions, travelers are encouraged to:

■Dial 511 and select a route to hear real-time conditions.

■Visit mass511.com, a website that provides real-time traffic and incident advisory information, and allows users to subscribe to text and email alerts for traffic conditions.

■Follow MassDOT on Twitter @MassDOT to receive regular updates on road and traffic conditions.

■Download MassDOT’s GoTime mobile app and view real-time traffic conditions before setting out on the road.