Despite an overall downward trend in transportation fatalities in the United States, estimates for 2010 released by the National Transportation Safety Board reveal a rise in several categories, including motorcycles, medium and heavy trucks, buses, rail and pipeline. "Though the NTSB continues to advocate for changes to address human factors, equipment and infrastructure improvements to prevent crashes, we continue to see far too many deaths each year," said NTSB Chairman Deborah A.P. Hersman. The data indicate that overall transportation fatalities decreased to 34,925 in 2010 from 35,994 in 2009. Rail fatalities increased from 742 to 813, with the majority at grade crossings, though deaths on light, heavy and commuter rail rose from 229 to 253.