1. Pick an intersection of two roads that satis?es two conditions. First, the side street has a stop sign and traf?c on the 4-lane arterial street travels without stopping. Second, traf?c on the side street has grown to the point at which traf?c control may be upgraded from a stop sign in that direction. Provide guidance for a new engineer for each step of the decision- making process. For example, what criteria and what alternatives should be used?

2.  Engineering and the need for engineering economy has been heavily affected by federal legislation. Examples include the Apollo program, the interstate highway system, the Clean Air Act, and the Ameri- cans with Disabilities Act. What legislation or programs may have major impacts within the next 3 to 5?