 , the mainline toll barrier between exits 4 and 6 costs passenger vehicles $4.30 using toll-by-plate and $2.10 using E-ZPass.At the northbound exit and southbound entrance at exit 4 and the southbound exit and northbound entrance at exit 6, passenger vehicles are charged $3.60 using toll-by-plate and $1.50 using E-ZPass.The southbound exit and northbound entrance at exits 8 and 9 costs passenger vehicles $2.70 using toll-by-plate and $1.10 using E-ZPass.