cool erypedy. much cooler saturday. we will settle in. a little warmer inland. >>> history is about to made on the east coast. solar impulse will set off for the final leg for a trip across the country. the solar powered plane will leave from washington, d.c. for new york tomorrow. it will pass by the statue of liberty before making its final landing. >>> a crack down on dog walkers in san francisco is about to get under way. starting monday the parks and recreation department will be looking for people who are walking too many dogs. the new law that limits the amount of dogs that could be walked at once. they must obtain a permit which costs $240. and $100 each year for renewal. >>> coming up relief for bart riders after a very frustrating week. >>> plus we'll tell you about the services being offered to get you to work this morning. and why you can still experience delays. >>> i'm traffic i is straight ail head. ♪ [ roars ] ♪ ♪ [ roars ] ♪ [ roars ] ♪ [ male announcer ] universal studios summer of survival. ♪ >>> bart service still out