Reckless speeding on westbound I-580 near SR-238

He's found 580 just west of 238 for a black unknown sedan, (number withheld), which returns clear through the last 5 min .

Radically speeding over 55 to 85 miles an hour and not using their turn signals.

And repeating for a, for a black Hyundai sedan, (number withheld).

He's found 580 just west of 238.