Police testing new 'Rumbler' sirens

VIENNA, Va. (AP) - The town of Vienna isn't big, but anyone who's tried to navigate its main streets at peak times knows it can be crowded and noisy. And that can hamper a police cruiser trying to get somewhere quickly.

Vienna police are testing the Rumbler, a device that augments the standard siren with an amplifier and two subwoofers, creating a lower-pitched sound that should cut through virtually any traffic din and that can create vibrations that might get the attention of otherwise soundproofed motorists or pedestrians.

The police hope that drivers or walkers "will start looking around,...