How Is Driveway Geometry Planned for Rental Car Queues?

I build the driveway from the traffic numbers, not from a standard detail. The peak-hour volumes by movement, the service times at each control point, and the arrival pattern — bunched flight banks versus steady flow — go into a queuing analysis that outputs the lane count and the stacking depth for a chosen service level. The analysis is checked against the site's physical constraints: if the math needs 300 feet of stacking and the site has 200, the operation has to change — more lanes, faster processing, or a second entry — before the design is final. The numbers and the geometry have to agree.

The driveway pavement is designed for its actual punishment: channelized traffic, turning trucks, and the occasional overloaded car carrier, all on a section built for the soils report. The grading keeps the queuing lanes from ponding — cars should not wait in standing water — and directs runoff to the site's storm system. Concrete at the gate and booth areas resists the fuel drips and the constant stopping; asphalt handles the through lanes. Joints, striping, and signage are detailed for the long term, because a driveway gets restriped rarely and has to read clearly for years.

A rental driveway design is ready when it clears this checklist. The street never forgives a bad driveway. • Lane count and stacking depth from a queuing analysis of the peak surge, held on site • Entry and exit separated; throat kept clear for 50-100 feet inside the property line • Turning templates proving every corner for the SUV, shuttle bus, and car carrier • Sight distance at the street per traffic standards; sight triangles kept clear • Marked lit pedestrian crossings set back from the throat; pavement built for the loads