News bites: Setting the pace

Your morning transportation speed-read:

Transportation officials in Colorado have a plan to use police cars to set the pace of traffic on a major highway in the state.

Investors in a proposed California High Speed Rail might not get on board with the proposal until after it is built.

The Federal Aviation Administration halted flights in Missouri to assist a police search for a missing baby.

Police are investigating a shooting involving a security officer on Atlanta, Ga.'s MARTA transit system.