How much is the toll fee between Philadelphia and Washington D.C.?

If you are driving from Washington, DC to Philadelphia, PA and taking I-295 > I-895 Harbor tunnel > I-95 you will encounter three toll booths: # Exit 4 on I-295, getting onto I-895 Harbor Tunnel - $2.00 (north and south bound) # After crossing the Millard E. Tydings Memorial Bridge on I-95/ JFK Memorial Hwy, before exit 93, $5.00 (northbound only) # After crossing the Mayrland/Delaware state line, before exit 1B - $4.00 (north and south bound) * Total Cost Northbound $11.00 * Total Cost Southbound $6.00 * Total Roundtrip Cost $17.00