Freight transportation is an indicator of the regional economy. In the United States, transportation by trucks accounted for 63.8% of total freight during the year 2015. [...]

The Federal Railroad Administration (FRA)'s Web Based Accident Prediction System (WBAPS) is used by federal, state and local agencies to get a preliminary idea on safety [...]

Traffic congestion is a problem related not only to traffic characteristics but also to several other factors which are of growing concern to the society. Traffic delays [...]