Skip to Content
Streetsblog Los Angeles home
Streetsblog Los Angeles home
Log In

...and it turns out he's a jovial traffic engineer named Bill Shao.

During his trip to Los Angeles a couple of months ago, StreetFilms' Clarence Eckerson Jr. took a tour of Los Angeles' Automated Traffic Surveillance and Control and was surprised to find it wasn't nearly as boring as he thought and actually had some lessons for traffic controllers around the country.  In his own words,

First off, one of the things that makes ATSAC so unique is that its oneof the only traffic systems in the entire country that is publiclyowned.  ATSAC was started in 1984 to help move traffic around theColiseum during the Olympics; since then it has grown to over 3,000 ofL.A.'s 4,100 signalized intersections, some of them incredibly complex.The technology is so advanced that even on its busiest days the controlroom only requires a few people present to run it.

Stay in touch

Sign up for our free newsletter

More from Streetsblog Los Angeles

Why Cities Need More “Agile” Streets

When projects are routed through a full capital-improvement workflow, solutions tend toward expensive, permanent interventions - not alternatives that might achieve 80 percent of the benefit at 10 percent of the cost

March 25, 2026

Wednesday’s Headlines

ICE, speed cameras, Ohio Avenue, North Metro K Line extension, SB79, streetlight repair, DIY, Olympics, car-nage, L.A. River path gate, and more

March 25, 2026

Monrovia Seeks Input on Draft Bike Master Plan

The deadline for public comment is this Friday, March 27 2026

March 24, 2026

This Week In Livable Streets

Metro board K Line showdown, L.A. mayoral debate, westside bus lanes, L.A. City Council Transportation Committee, SB 79, and more

March 23, 2026
See all posts