but it's also the only path between san francisco and marine county for psychoest. they will begin a retrofit that will close the bike lanes on this side and force them to share this side of the road with pedestrian. >> people not paying attention, what is happening near them. it's just -- it's going tobe dangerous. >> reporter: some way the path can already be narrow for walkers and the bicyclist on the path. >> bikers hitting pedestrian and pedestrian hitting the bikers too. i can see that going both ways. >> reporter: safety comes down to common sense and combining them isn't a new idea. >> gets crowded but i think if people are careful it can work fine. that's the way it is on week days. works okay. >> once the upgrade to the westside is completed the pedestrian path on the eeth side will be closed to continue the work. at that time bikes will be allowed on to the western path but not pedestrian. ktvu channel 2 news. >>> good news for drivers heading home. gas prices are down. the average price for regular in san francisco is $4.15. that is down 7 cents from las