Optimizing signal timing is considered a low-cost approach to reducing congestion. Based on data from six separate studies, the costs range from $2,500 to $3,100 per signal per update. While this range is reasonable, costs could be slightly more or less.
An executive agreement is an agreement entered into between a foreign government and the executive branch of the United States. Although the agreement binds the United States with as much force as a treaty, it is not as formal as a treaty and does not require Senate approval.
Second, international agreements brought into force with respect to the United States on a constitutional basis other than with the advice and consent of the Senate are international agreements other than treaties and are often referred to as executive agreements..There are different types of executive agreements.econd, international agreements brought into force with respect to the United States on a constitutional basis other than with the advice and consent of the Senate are international agreements other than treaties and are often referred to as executive agreements..