. >> betty jones was here to honor her son, sean. >> according to the state troopers, they do not believe that he knew he was on wheels. he said he acted as if he may have been floating. >> casey brooks told how her father, according brooks, was on duty when he was struck and killed by a drunk driver on do you receive in 2007. offered comfort to other victims families. >> we all know the feeling of not being able to talk to them or hear their voice again. that feeling may never go away or get easier to deal with. we must remember, they are always here in spirit. >> this memorial comes at a time when a truck and impaired driving accidents are increasing. state records show 171 fatalities in 2008, 173 in 2009, and 177 last year. the lt. gov. anthony brown talked about his concerns. >> we are supposed to be doing better. we are supposed to be driving these numbers down. >> the lieutenant governor and superintendent of maryland state police officers are committed to reducing the numbers by adding more patrols and setting up sobriety checkpoints over the holiday season. >> we will make our goa