From Sunnyvale Caltrain Caltrain to Redwood City Caltrain. 27 min $4. From El Camino & Pastoria line 22 bus to Palo Alto Transit Ctr-Bay 9 then bus to Redwood City Caltrain-Lane B. 1 h 8 min $4. From Sunnyvale taxi to Redwood City. 20 min $108. From Sunnyvale drive to Redwood City. 20 min $1. From Sunnyvale Uber to Redwood City. 20 min $29.
Caltrain operates a train from Sunnyvale to Redwood City every 30 minutes. Tickets cost $3 - $5 and the journey takes 27 min. Alternatively, Santa Clara VTA operates a bus from Sunnyvale to Redwood City every 10 minutes. Tickets cost $2 and the journey takes 41 min. SamTrans also services this route every 10 minutes.