text: Graph shows numbers from 0 to 1000 on the left axis and percentages 0 to 4 on the right axis, with years from 2010 to 2019 along the bottom axis. Fatal work zone crashes are shown from 2010 to 2019, starting at 521 in 2010 and climbing to 762 in 2019. The percentage of all fatal crashes occuring in work zones starts at 1.7 percent in 2010 and climbs to 2.3 percent by 2019.