A contractor’s value-engineering suggestion shaved $2 million off Idaho’s first single-point urban interchange (SPUI), now nearing completion over Interstate 84 near the Boise airport. Photo: Idaho DOT Single-point urban design and value engineering saved money Designer Stanley Consultants, Meridian, Idaho, recommended a SPUI instead of a diamond interchange because it requires less land, moves traffic more quickly and permits wider sidewalks and new bike lanes, says Bob Jacobs, Stanley’s chief transportation engineer. The smaller footprint saved $600,000 by eliminating the need to acquire two buildings. The $17.8-million cost is funded by the federal stimulus bill. Stanley faced a tight timetable
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.