clear, doug mcelway has the story from washington. experimental x and r shows individuals what we have planned. this has travel instructions. reporter: that prediction about the future is now here. with the department of transportations announcement this week to press ahead with vehicle to vehicle technology. it s a gps feature that allows cars to sense proximity to itself and automatically provides a response. early studies indicate that v to v allows drivers to avoid 70 to 80% of vehicle crashes involving unimpaired drivers. v to v raises other concerns. he tells fox news, quote, it s a step forward in safety and two