City of Phoenix
Burgess & Niple was retained by the City of Phoenix to design a portion of the freeway system to alleviate traffic congestion problems in north Phoenix. B&N was responsible for surveying, preliminary design, and final design of a six-lane, 1.25-mile segment of the Squaw Peak Parkway, (now know as Piestawa Peak Parkway) extending north from Highand Street.
B&N performed traffic analyses, alignment studies, and noise abatement analyses. Significant attention was given to integrating the parkway with its surroundings by placing much of the segment below ground level. Retaining walls were designed to serve as effective noise barriers and to provide aesthetic enhancements, such as landscaped terraces 11 feet above the parkway.
Key design elements of the project included:
Total construction cost for this project was $18.9 million