Motorists are facing delays on the New Jersey Turnpike in Mercer County.

Northbound traffic on the New Jersey Turnpike (NJ DOT)

One northbound lane is closed for emergency repairs just north of Interchange 7A.

Turnpike Authority spokesman Tom Feeney says it's expected to take several hours to fix a cracked frame around a manhole cover.

Motorists also will likely face delays entering the toll road at the interchange.

(Copyright 2013 The Associated Press. All Rights Reserved)