Question The injury crash rate with and without improvement project at a rural two-lane highway is 2.87 and 3.5 per million VMT. Determine the user safety benefit in monetary terms due to reduction in crash rate. Assume average vehicle occupancy=1 and annual VMT is 1.5 and 1.8 millions for before and after improvement scenarios. Unit Cost of incapacitating Injury = 181,276 (2005 $).