As of next week , Boston will become the fifth largest city to offer the hugely popular UberPOOL service , the on - demand ride option that allows two customers going in the same direction to purchase a ride and split the cost . UberPOOL was launched in San Francisco last year and quickly became the source of over ##flow of Uber rides in that city .
As of next week , Boston will become the fifth US city to offer the hugely popular UberPOOL service, the on-demand carpooling option that allows two customers going in the same direction to share a ride and split the cost. UberPOOL was launched in San Francisco last year and quickly became the source of over half of Uber rides in that city.