The collision occurred around 9:15 a.m. on northbound Highway 101 near Oregon Expressway, CHP Officer Eric Anderson said.
All northbound lanes of Hwy 101 have reopened after a sig-alert was issued at 9:46 a.m.
No other details on the collision were immediately available.
**Palo Alto Sig Alert** NB 101 before Oregon Expy, ALL LANES BLOCKED, due to fatal motorcycle crash. No ETO. pic.twitter.com/RH1eoc9AGt— Alexis Smith (@AlexisABC7) August 4, 2016