Transportation Management
Welcome to the Transportation Management Channel, a special section that provides the user an in-depth look at the multiple aspects of traffic management — straight from sources of Roads & Bridges magazine and our Transportation Management & Engineering supplement. Topics covered include intelligent transportation systems, traffic signals, traffic monitoring, intersection safety, traffic design software, electronic tolling and congestion pricing.
The Bay Area’s newest transit system will reach an important milestone this week as the Sonoma-Marin Area Rail Transit (SMART) will surpass its 1 million-passenger mark after just over a year of service.
SMART ridership statistics show that the transit agency will reach the million-rider mark by...
Figure 1. MoDOT AFAD and its CMS signs.
Flaggers are professionally trained to guide and direct vehicles through work zones, and they are often located closest to the oncoming traffic. Discovering ways to protect flaggers is an important issue in work-zone safety. One countermeasure that can be applied when there is a one-lane closure on...
Walmart is now piloting a program to use Udelv autonomous-driving vans to deliver fresh groceries to its customers in Surprise, Az.
“We want to make sure we stay on the cutting edge of grocery delivery by exploring what’s new and next,” Tom Ward, senior vice president of Walmart’s digital...
The Wyoming Department of Transportation (WYDOT) showcased its recent developments as part of the U.S. DOT's Connected Vehicle (CV) Pilot program in Laramie County.
According to Traffic Technology Today, the showcase was an opportunity for the agency to share the recent progress and intent of...
Transportation construction work across the nation has been put on hold by the federal government shutdown, with state transportation officials withholding approvals for 2019 projects until federal funding is guaranteed, according to a report from The Washington Post.
The amount of federal...
Image: Arizona DOT
The Arizona Department of Transportation’s (ADOT) thermal camera-based wrong-way vehicle detection system along I-17 in Phoenix alerted authorities and other motorists to a pickup truck traveling the wrong way on the freeway early Monday morning.
No one was hurt as the vehicle traveled southbound...
Image: Jaime Vedres/Stantec
The MAX Purple dedicated Bus Rapid Transit (BRT) corridor, the first of its kind in Calgary, Alberta, recently opened for service in the community.
The design, led by Stantec, has transformed the corridor into a multimodal street with a strong focus on the needs of pedestrians and transit, while...
Only four of the 41 rail systems in the nation required to implement positive train control (PTC) met the end-of-the-year deadline in 2018, according to the U.S. Department of Transportation (U.S. DOT).
A CNN report indicates that the remaining rail systems, including Amtrak, have either applied...
Camera setups such as this have been in place on select high-rise rooftops along the test corridor since 2002, collecting data all the while.
On a rough stretch of what is “commonly” known as the I-94 Commons—for the fact that at this particular location I-94 threads in with I-35, both interstates sharing a common series of lanes—a project has been ongoing since 2002 to gather traffic movement data in an effort to, ultimately, create...
At 1:11 a.m. following the 2018 Fourth of July celebration, a vehicle traveled southbound in the northbound lanes of north Phoenix’s I-17 at Union Hills Road.
Immediately, the wrong-way driver detection system installed earlier in the year set off a system alarm. A loud horn went off in the...
Reduced visibility conditions such as fog represent a challenging environment for drivers.
Fog reduces visibility and contrast in the visual field, which can negatively affect the perception of depth and speed. When these crucial driving cues are obscured, a driver’s ability to judge appropriate...
Image: Minnesota DOT
The Minnesota Department of Transportation's (MnDOT) Safety Innovation Team is introducing an LED lighted plow marker for winter maintenance activities in the state in order to reduce the number of motorist collisions with the department's snowplows.
In the winter of 2017-18, there were 84...
The University of Arizona (UA) is partnering with state and local government agencies to form Smart Vehicles and Intelligent Transportation (SVIT), a P3 devised in effort to help Southern Arizona become an industry leader in smart-vehicle and intelligent transportation technologies.
Partners in...
The Maine Department of Transportation (Maine DOT) is crafting an expensive plan to replace the state's aging traffic signal network with an advanced, more efficient version.
According to a report from the Portland Press Herald, maintenance has been lacking on many of the 801 state-owned traffic...
Few are the bridges in the U.S. that have been around as long as the Norwalk, Conn., Walk Bridge. The 122-year-old structure has been a stalwart corridor, carrying rail traffic on Metro-North’s New Haven Line as well as Amtrak service on the Northeast Corridor that serves passengers traveling...
The U.S. National Highway Traffic Safety Administration (NHTSA) this week announced its plans to speed up the process to review and approve automaker self-driving vehicle petitions, according to a report from Reuters.
The process allows the agency to determine whether or not automakers can deploy...
Image: Uber Blog
The Pennsylvania Department of Transportation (PennDOT) has approved the continued testing of Uber's self-driving vehicles in autonomous mode in Pittsburgh and the surrounding areas for the first time since March of this year.
An Associated Press report indicates the ride-sharing company has been...
Image: Boring Company
Elon Musk and the Boring Co. this week unveiled a much-anticipated 1.4-mile test tunnel for transporting vehicles underground in the next step of a larger plan to alleviate traffic conditions in Los Angeles County.
The L.A/Hawthorne test tunnel took special guests and media attendees for rides in...
Dallas Area Rapid Transit (DART) has approved a $783 million contract for Archer Western Herzog joint venture to design and build the 26-mile Cotton Belt commuter rail line.
The line will stretch across North Texas from Dallas Fort Worth International Airport (DFW) to Plano, and it will connect...
In 2014, the Long Island Rail Road (LIRR) initiated the full replacement of a 115-year-old bridge in the village of Thomaston, N.Y. Thomaston, located in Nassau County, Long Island, is a mere 0.4 sq miles. The town is separated in two by a single-line railroad track which opened in 1898, and has...
