Zephyr Rail provides engineering services to support a variety of rail clients.* Track Design* Civil Engineering* Grade Crossing Design/PUC Permitting* Quiet Zones* 3rd Party Reviews* Rail/Railroad Bridge Inspection* Construction ManagementWe are one of a few specialized firms utilizing a fleet of UAVs to support both our in-house and client's engineering needs for applications such as mapping, inspection, construction monitoring, and aerial photography with extensive and specialized experience in rail corridors.