Carmakers are developing technologies to alert drivers and pedestrians if they are about to collide.
Sep 6, 2013 The Car Connection
Pathways that are used by cyclists and pedestrians have shown a high rate of collisions. Some say the regulations for these multi-use paths should be updated.
Nov 12, 2010 Grist
Head-on train collisions can be avoided by simply keeping one train per track. There's a plan to make that happen, but it's years from implementation.
Oct 9, 2009 Miller-McCune