and as you know, fra partners with states to oversee inspections, oirpciÓns. appropriations committee. i would like to hear more about technology to prevent derail mints. do you think that's better technology that could get us through this? >> i think we've shown as an industry and bnsf that we leverage technology and the results have clearly been best ever safety results from an plea and derailment prospective. beyond that, there's opportunity. there's -- there's tremendous opportunity. again, i think as we talk about regulation, part of our challenge today is -- is regulation based on a design standard and as we focus on outcomes again that will allow the industry to innovate, innovate with technology, process changes. >> how is that -- what kind of technology would help with this? >> as we look forward as i mentioned mentioned in my testimony, i think this drone technology very early in -- in practice has a real -- has a real potential. this pathfinder program with faa will move beyond lineup sight where we could utilize drones for hundreds of miles a day t