Rail collisions worrisome The crash rate between MetroRail trains and vehicles has far exceeded that of other cities with new rail lines, prompting Metro officials Tuesday to consider more safety modifications. Since Friday, there have been three crashes involving Metropolitan Transit Authority light rail trains, including incidents Monday and Tuesday where drivers made illegal left turns. A collision Tuesday marked the 10th wreck since testing began in the fall. Five occurred during the testing phase and five more have taken place since passenger service commenced Jan. 1. Those numbers are much higher than recent experiences in Salt Lake City and...