A motorist avoided serious injury Friday night when his vehicle plunged down a creek embankment after he failed to negotiate a Highway 101 offramp in Santa Barbara.
The crash on northbound Highway 101 at Arrellaga Street occurred at about 9:40 p.m.
The Chrysler 300 went down an embankment toward Mission Creek, sheared off a freeway sign, and knocked down a utility pole, cutting off power to customers in the area, according to Battalion Chief Richard Ames of the Santa Barbara City Fire Department…