You may have seen the white boxes with a counter going across roadways in Adams County and around the state and wondered what they were. They are called traffic counters and they collect short duration traffic counts that collect data used to calculate Annual Average Daily Traffic (AADT), which is the number of vehicles expected to pass a given
Full text available to subscribers only. If you are a current subscriber, please use the login below to continue reading this article. To become a subscriber, please click here.
