Car Care Tip of the Week: Don't Jump the Gun

Ramp metering, or the use of traffic signals at freeway on-ramps to regulate flow, forces a small time penalty on drivers at the beginning of their commutes, but it pays off. "Requiring vehicles to wait 20 or 30 seconds can save drivers 5 to 10 minutes on their trip," says David Schrank, Ph.D., of the Texas Transportation Institute.