The Washington County Sheriffs office is going to be using their speed trailer again this year. Dunbar says with the computer up and running, they can record traffic count as well as speeds.He says this has been very useful and the information has been requested by several city councils as well as the county’s secondary roads department. Dunbar says with this type of information, they can get an accurate count and speed of traffic on certain roads.He says the trailer will be put up in random spots through out Washington County.