Traffic Engineering


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Traffic Signal Operations

traffic-operations-2015Currently, the City of Pasadena Department of Transportation (DOT) operates over 340 traffic signals in its Transportation Management Center (TMC) via a highly sophisticated Traffic Control System (TCS) that automates and adapts to all motorized and none-motorized moving traffic occurring within city streets thus providing the most logical and efficient mobility strategies 24-hours a day to maintain the City’s traffic signal network.

The TMC is equipped with an extensive fiber optics communication system that allows City staff to view traffic operations at key locations. Thus, allowing the system to adapt and modify traffic operation plans as necessary to facilitate the needs traffic flow demands. The TMC’s Traffic Control System and the Special Events Unit of the Pasadena Police Department share the responsibility of managing transportation mobility during all Rose Bowl Stadium and city street events.

Importance of Traffic Signals
Traffic Signal Safety
Traffic Volumes
Temporary Traffic Control
Truck Routes


Traffic investigations are initiated when a request is submitted or received. Some types of investigations require field data collection, and engineering analysis, while others require a petition process. Information and data collected may include speed data, volume data, accident history data, and a review of existing field conditions.

Contact the Citizen Service Center for any parking, transit, & traffic related questions or problems: 626-744-7311 or submit a request online.

Stop Signs
Speed Limits
Curb Markings
Traffic Signs



Addressing Traffic Safety in Pasadena

Public Safety Committee Presentation – May 17, 2017

School Zones


How Can I report a Traffic Signal Problem

Contact the Citizen Service Center for any parking, transit, & traffic related questions or problems: 626-744-7311 or submit a request online.

What is a Red Flag Parking Restriction?

In 2009, the Pasadena City Council unanimously accepted the recommendation of the Public Safety Committee to implement the proposed restrictions on parking within the urban-wildland interface (UWI) on days of extreme fire hazard, also known as Red Flag days. Visit the Pasadena Fire Department website to learn more.

Red Flag Impacted Streets – PDF

What is the preferential parking permit program?

The public is reminded that on October 27, 2014, the City Council approved the modification of the existing preferential parking permit program to include all residential streets with time limited parking as preferential parking areas effective July 1, 2015. The purpose of this modification was to provide the means for residents of streets with time limited parking to choose to be exempt from the time limits near their residences. Find out more about Preferential Parking Permits

Neighborhood Traffic FAQS

Why are there “No left turns” posted on Glenarm for certain streets and if they were removed what would happen to overall trip distribution?
Why do we have those traffic circles on Glenarm?
Why isn’t there a double left turn lane from Glenarm on to the Pasadena Freeway?
Why do we have those islands at Los Robles and California?
How can we improve bicycle safety in our neighborhood?
Why do certain streets have speed humps?
What can I do to get speed humps installed on my street?
Why do we prohibit overnight parking?
How can we reduce traffic on El Molino? Los Robles? Del Mar? California? S. Lake?
Would the completion of the 710 Freeway reduce traffic in our neighborhood?