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Janet Napolitano is resigning from her position leading the Department of °®¶¹´«Ã½land Security, the Associated Press reported Friday.

A key Republican senator said he is dropping a filibuster threat to block the nomination of Gina McCarthy to become administrator of the Environmental Protection Agency.

A federal appeals court ruled that Alabama discriminated against freight railroads by making them pay sales taxes on fuel that competing trucking and barge companies were not required to, the Associated Press reported.

The Federal Motor Carrier Safety Administration said it will waive the new rest-break requirement for 90 days for truck drivers who are carrying live animals, because of the above-average temperatures forecast for the summer and fall in much of the United States.

Oregon legislators passed a bill that would create a voluntary program to phase in road-usage charges in lieu of the state’s gasoline tax, the (Salem, Ore.) Statesman Journal reported.

The Pennsylvania General Assembly’s failure to pass a transportation package means the state will move forward in assessing 1,120 bridges that may have to have new or additional weight restrictions, according to Pennsylvania Transportation Secretary Barry Schoch.

Transportation officials in Kansas, faced with growing congestion in metropolitan areas, are considering more tolls to keep traffic moving, the Kansas City Star reported.

The Federal Motor Carrier Safety Administration announced it is making almost $1 million in grants available to help train U.S. military veterans for jobs in the transportation industry.

An index of the U.S. economy’s service sector declined in June but showed continued expansion, the Institute for Supply Management reported Wednesday.