Booth had gotten to the point where he was about to make peace with the fact that a.) he would be unable to ever leave this version of Los Angeles and b.) no one he knew would ever arrive in the place. So seeing Hart's post on the boards had eliminated b very easily.
Once he'd gotten the address of the hotel she was staying at and ran the directions, he left a note for Abby about where he was going, grabbed his keys, and he was out the door.
Midday traffic that particular day left something to be desired but he managed to find the hotel without taking a single wrong turn or having to ask directions. As he swung around the circle to the front of the hotel, he spotted Gracie waiting for him.
Booth pulled up to a stop and slung an arm over the seat, grinning at the other FBI agent. "Hey there good looking, can I give you a ride?"