1.   A new line of detectors by Cobra Electronics uses audio, visual and human voice cues to alert drivers of unsafe road conditions.

2.   In August, state crews installed rumble strips designed to alert drivers if their car veers off the highway.

3.   Most radar detectors use beeps and whistles to alert drivers that their speed is being monitored.

4.   This year, the state also ran a public awareness campaign to alert automobile drivers to the growing number of motorcycles on the road.

5.   Mr To criticised the government for not carrying out a campaign to alert drivers to the dangers.