OregonDOT:
PIO Angela Beers Seydel describes the project
OregonDOT:
Looking over the bridge
OregonDOT:
Describing the problem
OregonDOT:
Loading the flare
OregonDOT:
Preparing to launch
OregonDOT:
Light and sound are used
OregonDOT:
Going beneath the bridge