My wife was driving her own car on the same highway near me (we were coming home from an event that we drove separately), and saw it as well. It was very unusual to see something this in the Bay Area sky.
Location
Address
Millbrae, CA
Latitude
37° 35' 40.32'' N (37.594534°)
Longitude
122° 25' 4.83'' W (-122.418007°)
Elevation
157.228m
Time and Duration
Local Date & Time
2016-09-23 22:30 PDT
UT Date & Time
2016-09-24 05:30 UT
Duration
≈3.5s
Direction
Moving direction
From down right to up left
Descent Angle
351°
Moving
Facing azimuth
142.67°
First azimuth
140.69°
First elevation
71°
Last azimuth
142.64°
Last elevation
17°
Brightness and color
Stellar Magnitude
-11
Color
White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
1s
Length
30°
Remarks
A pronounced white trail. I was driving on a freeway an it was noticeable enough to distract my vision from the road
