Map of tolling on U.S. Highway 101 express lanes between South San Francisco and Sunnyvale. Solo drivers who want to use the express lane must have a standard FasTrak or a FasTrak Flex toll tag ...

eliminating the need for motorists to make left turns or drive straight across traffic on Highway 101. A new road will connect the undercrossing with Wellsona Road on either side of Highway 101.