Roads and highways thumb|Interstate 295 from Bear Tavern Road (County Route 579) thumb|View south along the Daniel Bray Highway and River Road (Route 29 and Route 175) in Ewing thumb|Signage for the Delaware River Scenic Byway along Route 29 , the township had a total of of roadways, of which were maintained by the municipality, by Mercer County, by the New Jersey Department of Transportation, which also has its headquarters in Ewing, and by the Delaware River Joint Toll Bridge Commission.Mercer County Mileage by Municipality and Jurisdiction, New Jersey Department of Transportation, May 2010. Accessed July 18, 2014.
Roads and highways thumb|Interstate 295 from Bear Tavern Road (County Route 579) thumb|View south along the Daniel Bray Highway and River Road (Route 29 and Route 175) in Ewing thumb|Signage for the Delaware River Scenic Byway along Route 29  the township had a total of of roadways of which were maintained by the municipality by Mercer County by the New Jersey Department of Transportation which also has its headquarters in Ewing and by the Delaware River Joint Toll Bridge CommissionMercer County Mileage by Municipality and Jurisdiction New Jersey Department of Transportation May 2010 Accessed July 18 2014