How does the Southeast Expressway HOV Lane work?
A. A special “Zipper Truck” drives over a six-mile, flexible barrier wall, lifting it away from the median and setting it a lane’s width away, creating a protected carpool lane on the opposite side of the highway. After the commuting period is over, the truck again drives over the barrier wall, lifting it up and setting it next to the median. By borrowing a lane from the off-peak side of the Expressway, the “Zipper Truck” creates five lanes for northbound traffic and three lanes for southbound traffic in the morning. During the afternoon commuting period, there are five lanes for southbound traffic and three for northbound traffic. Q.
