Traffic Management

News July 17, 2017
The San Bernardino County Transportation Authority (SBCTA) approved the construction of toll lanes on the I-10 Freeway last week.   The SBCTA voted to build a 33-mile toll lane project at an estimated cost of $1.8 billion, which would run from the Los Angeles County line to Redlands. This marks the...
News July 06, 2017
The San Francisco Municipal Transportation Agency (SFMTA) is looking to add their red transit-only lanes to at least 50 new streets in the region, as newly granted federal approval will now allow the agency’s red lanes to spread to more areas across the city.   A list of “Potential Future Red Lanes...
News July 03, 2017
Boston city officials are in the planning stages of upgrading the city’s traffic management system from its present manual control, which scans literally hundreds of cameras citywide, to a second-by-second micromanagement of the stoplights handled by an algorithm.   Computers will measure the city’...
IDOT TRS developmental layout specification (as shown as Figure 4 in the Report).

IDOT TRS developmental layout specification (as shown as Figure 4 in the Report).

Case Studies June 30, 2017
The Center for Transportation Research and Education (CTRE) at Iowa State University develops methods and technologies to improve transportation safety and reliability.   Last month, CTRE issued a Final Report titled “Field Measurements on the Effect of Temporary Rumble Strips in Work Zone Flagging...
News June 28, 2017
Crews are less than a year away from beginning work on the $1.2 billion I-70 expansion project, the largest transportation project in Colorado history that will widen 10 miles of the interstate from Brighton Boulevard to Chambers Road.   More than 12,000 businesses rely on the stretch of I-70 to...
News June 13, 2017
According to new data from the U.S. Department of Transportation’s (U.S. DOT) Federal Highway Administration (FHWA), drivers are spending more time stuck in rush-hour traffic than ever.   Based on data from America’s 52 most populous metropolitan areas, FHWA’s “2016 Urban Congestion Trends” shows...
News June 07, 2017
The Ohio Department of Transportation (ODOT) began installing 35 miles of fiber-optic cable underground this week along U.S. Rte. 33 to aid in the testing of smart vehicles.   The $4.8 million project, which is to run between Dublin and East Liberty, is slated to be finished by October, and most of...
Article May 31, 2017
28th and Hoyt.   The neighborhood greenway system in Portland, Ore., forms the backbone of the city’s renowned bicycle network. The idea is simple: Select a quiet residential street parallel to a bustling arterial and enhance it to create a pleasant yet efficient cycling environment that appeals...
News May 26, 2017
Michigan road agencies and General Motors' (GM) Research & Development are collaborating to showcase the state's leadership in the connected and automated vehicle environment by successfully demonstrating smart signal technology.   Successful demonstrations were recently conducted in Macomb...
News May 24, 2017
The Trump administration is asking Congress to give the federal government sweeping powers to track, hack and destroy any type of drone over domestic soil with a new exception to laws governing surveillance, computer privacy and aircraft protection, according to a document obtained by The New York...
News May 19, 2017
The Arizona Department of Transportation (ADOT) is in the process of adding sensors along I-17 in the Phoenix area over the next few weeks as part of an effort to monitor traffic flow across the state.   The data collected by the sensors will be used to estimate travel times, which will be...
Digital messages displayed on I-90

Image source: Daily Herald

News May 18, 2017
The Illinois Tollway has completed installation and testing of 29 digital message signs between Barrington Road and O'Hare International Airport.   The displays will provide real-time traffic updates and safety advisories, and will direct drivers to shift lanes when crashes occur. The system will...
News May 12, 2017
The Iowa Department of Transportation (DOT) is now using the latest traffic services from Inrix to monitor, measure and manage the state’s road network.   Inrix has been supplying real-time and historical traffic data to Iowa DOT for the last three years, in support of its traffic management and...
Article May 09, 2017
Frustrating doesn’t begin to describe the impact of congestion. A 2016 study by the research firm INRIX identified the U.S. as the most congested developed country in the world—where drivers spend an average of 42 hours a year in traffic during peak hours. That report calculates the total...

Image source: Seattle Department of Transportation

News May 02, 2017
As part of its intelligent transportation systems program, the city of Seattle has introduced a UK-developed adaptive traffic-control system to help reduce congestion along one of its busiest corridors.   The Seattle Department of Transportation (SDOT) has introduced the new Split Cycle Offset...
News April 13, 2017
The Rhode Island Public Transit Authority (RIPTA) is rolling out a fleet of “talking” buses to serve the state’s communities.   The new technology allows the buses to alert pedestrians and motorists with an automated announcement through a “Safe Turn Alert” system that voices messages such as “...
News April 12, 2017
The Nevada Department of Transportation (NDOT) has launched a project to install enhanced roadway signage, ramp meters, wrong-way driver detection systems and more to help improve traffic safety and mobility on U.S. 395 in the North Valleys.   Beginning Monday, April 10 through early 2018, periodic...

Image source: David Goldman/AP

News March 31, 2017
Gov. Nathan Deal (R) has declared a state of emergency for Fulton County, Ga., after a huge fire caused a bridge on I-85 to collapse in Atlanta on Thursday night.   With the heavily used road closed in both directions, Georgia transportation officials are telling drivers to find other options—from...

Image source: Julie Duewel / Nevada DOT; Las Vegas Sun

News March 30, 2017
The Nevada Department of Transportation (NDOT) is in the initial stages of road projects that have been planned to address traffic growth on the I-15 corridor over the next 20 years as a result of the proposed Raiders’ stadium site going up on Russell Road west of the interstate in Las Vegas.   A...
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