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

Thursday’s Headlines

Heat wave, bus lanes, Pasadena, LAPD, Monrovia, stadium shuttle, Inglewood, car-nage, and more

March 19, 2026

Metro Committee Again Sides with Nimbys, Postpones Key North K Line Rail Decision

K Line delay empowers anti-rail voices opposed to Metro tunneling far deep beneath homes

March 18, 2026

Wednesday’s Headlines

ICE, record heat, WeHo, Metro, World Cup, gas prices, speed cameras, San Gabriel River path, Long Beach, car-nage and more

March 18, 2026

Pasadena Seeks Input for Transit Service Overhaul

Several lines could be condensed on the north side of town, a new line is proposed from Huntington Hospital to JPL, and Dial-A-Ride could give same day service.

March 17, 2026

Tuesday’s Headlines

Record heat, Santa Monica, LAX people mover, Culver City, westside bus lanes, K Line, Griffith Park, MacArthur Park, car-nage and more.

March 17, 2026

This Week In Livable Streets

Metro NoHo-Pasadena BRT meeting in Burbank tonight, Westside safety project meetings, Metro board committees, SGV bike rides, and more.

March 16, 2026
See all posts