Articles by Eric Shimizu

About Eric Shimizu

Eric Shimizu is a Principal with DKS’ Seattle office and has 23 years of traffic engineering and construction project management experience throughout the Western US. Eric specializes in ITS, electrical, signal, illumination and corridor improvements from planning to construction.

Optimizing Urban Traffic Patterns in the Age of Navigation Apps

For City, County, and State agency staff and engineers, agency personnel are confronting cell phone navigational applications that choose the quickest routes based on calculated pathways (algorithms), not based on the classifications for the roadway use. The roadways are classified to balance access, speed and traffic volumes. What has occurred as a result of these navigation apps is a significant increase in cut-through traffic, speeding on side streets, and, for traffic engineers, greater use of roadways not intended for higher volumes.