She said that survey data, which concentrated on drivers who were parents, had found a division of attitudes.
There also may be limitations on additional drivers and a minimum age for any driver.
The program was developed after a rash of assaults on drivers.
This is the second of two columns on older drivers, online at nytimes.com/science.
But the city has been cracking down on drunken drivers, and apparently getting results.
This is the first of two columns on older drivers.
But even light traffic in the evening rush was tough on drivers.
This would require about a 250% increase in buses on the road and drivers to drive them.
This simple device didn't make an immediate impact on drivers.
Also, the laws on distracted drivers are always in need of being made stronger.