Over 100 years ago, many of our railroad bridges were the first elements of infrastructure in several growing urban areas. Increased impervious surfaces due to urbanization surrounding our rail has reduced natural water infiltration upstream, causing increased volumes to drain through our railway. Additionally, we're monitoring for changes in our climate that may cause increased frequency and severity of rain events. As our neighboring communities continue to grow and our system receives significant rainfall, BNSF focuses on adaptation and resilience of our stormwater infrastructure and systems operations. For each new or replacement bridge project, we conduct hydraulic analyses to assess flood impacts and size our bridges, culverts and track elevation appropriately.