APM: 0
Location: SR 4 and I-80, Hercules
Reassurance shield as SR 4 begins.
APM: 1
Location: SR 4 and Sycamore Ave, Contra Costa Cty
Reassurance shield as we head out of Hercules.
APM: 4
Location: SR 4 and Cummings Skwy, Contra Costa Cty
Reassurance shield after Cummings Skyway.
APM: 7
Location: SR 4 and Alhambra Ave, Martinez
A few miles later, we’ll enter Martinez.
APM: 8
Location: SR 4 and Alhambra Ave, Martinez
Reassurance shield after the Alhambra Ave interchange.
APM: 9
Location: SR 4 and Center Ave, Martinez
Two miles to I-680.
APM: 10
Location: SR 4 and Morello Ave, Martinez
One mile to I-680 after Morello Ave.
APM: 11
Location: SR 4 and Morello Ave, Martinez
3/4 of a mile to I-680.
APM: 12
Location: SR 4 and Muir Rd, Martinez
1/4 mile to I-680. Keep left to stay on SR 4.
APM: 12
Location: SR 4 and I-680, Contra Costa Cty
Exit for 680 south towards San Jose.
APM: 12
Location: SR 4 and I-680, Contra Costa Cty
Follow 680 north towards Sacramento.
