Road Design
The Georgia DOT (GDOT) is planning to build new toll lanes along the top end of I-285—also known as The Perimeter—in the metro Atlanta region for a $4.6 billion expansion project.
According to GDOT, the I-285 top end in metro Atlanta is one of the most heavily traveled and congested interstate...
A look at progress along Project Neon as of January 2019. Photo courtesy of Nevada DOT.
The Nevada DOT (NDOT) announced this week that an expanded high-occupancy vehicle (HOV) network will open to Las Vegas traffic on Monday, May 20, marking an important step in the completion of Project Neon, the largest public works project in state history.
As a result of the opening, the Las...
Students use a driving simulator on the Missouri S&T campus to test the Route 160 roadway design before construction. Photo by Tom Wagner/Missouri S&T, ©2019 Missouri S&T
Two undergraduate students at Missouri University of Science and Technology (S&T) used a driving simulator to help a civil engineering firm evaluate a new roadway design for the $18.6 million Route 160 widening project from Springfield to Willard, Missouri.
The students worked with Crawford,...
The Utah DOT (UDOT) has approved the selection of the braided ramps option design for the interchange at Main Street (S.R. 115) and I-15 in the city of Payson.
UDOT issued a Record of Decision (ROD) regarding the selection of the braided ramps as the preferred alternative out of several design...
Located on a 309-acre site, the 1.7-mile NCAT Pavement Test Track is a world-renowned accelerated pavement testing facility that combines full-scale pavement construction with live, heavy truck trafficking for rapid testing and analysis of asphalt pavements.
Since its original construction in...
State officials recently announced that the Pennsylvania Department of Transportation (PennDOT) is aiming to increase opportunities for Small Business Enterprises (SBE) through a new pilot program where SBEs can compete to work as prime consultants on federally assisted engineering and design...
Since 1996, the city of Carmel has installed 115 roundabouts, more than any other city in the U.S.
Located just north of Indianapolis in Hamilton County, Ind., Carmel is a dynamic edge city with award-winning schools, thriving businesses and family-oriented neighborhoods.
Once thought of as a “bedroom community” to Indianapolis, today more people commute into Carmel to work during the day than...
The Kansas Department of Transportation (KSDOT) is beginning a pilot project to determine how drones could be used in future road design work, employing UAV technology in conjunction with a road project for the first time last week.
KSDOT has contracted the Kirkham Michael engineering firm to...
Salt Lake City is seeking the community's feedback on two "pop-up" intersection designs ahead of road construction work planned for next year.
From May 16-23, the city is testing out a temporary intersection design at 900 South and 1100 East, which will be part of a reconstruction project in 2019...
The updated SH 288 will include 40 new bridges and the rehabilitation of 13 bridges.
The city of Houston is booming, with new construction and development projects happening across the city at an astounding rate.
Texas State Highway 288 (SH 288) is a critical north-south transportation corridor for the greater Houston metro region, and it is under the strain of the region's...
Image: Garret Larson
In 1947, when Interstate 10 (I-10) was built as a four-lane highway from Ontario to San Bernardino, Calif., it passed through a landscape of ranches, orchards, and open fields fringed with trees. Originally this section of roadway was assigned as U.S. 70-99, and in 1957 it was reassigned to become...
The existing interchange was comprised of 11 separate structures totaling 111 spans, 10 of which were classified as structurally deficient with 94% of the steel rated deficient and requiring costly emergency repairs.
When final design and construction launched in 2013 on the Massachusetts Department of Transportation’s (MassDOT) Rte. 79/I-195 Interchange Reconstruction and Braga Bridge Improvements project in downtown Fall River, safety, accessibility, traffic management and community enhancement served as the...
According to a new study released by the Minnesota Department of Transportation (MnDOT), the state’s nearly 200 roundabouts are reducing serious injuries and saving lives.
Minnesota built its first roundabout in 1995 in Brooklyn Park. Since then, MnDOT as well as the state’s counties and cities...
Image source: Pete Bannan-Digital First Media via Southern Chester County News
The Pennsylvania Department of Transportation’s (PennDOT) Rte. 30 Bypass reconstruction project in Chester County, expected to cost $835 million, has moved into its design stage.
The project involves both federal and state funds, and includes widening the section from Reeceville Road to...
The Vision Zero Action Plan in Los Angeles aims to not only eliminate traffic deaths for motorists, but also for pedestrians and cyclists by concentrating efforts on areas with more vulnerable populations.
According to the National Highway Traffic Safety Administration, the year 2015 marked the end of a five-decade trend of declining traffic fatalities by showing a 7.2% increase over 2014.
This trend also was seen in the city of Los Angeles, which exhibited one of the highest collision death rates...
A traffic island, more pavement markings and signage (top image) were added to this intersection to ensure safe interactions between vehicles and pedestrians as part of NYC’s Vision Zero plan.
In New York City, the efforts of the New York Department of Transportation (NYCDOT), in partnership...
How do major American cities like Dallas, Texas, address congestion and the splintering of neighborhoods caused by the tangled knot of aging urban interstates?
How do they rehabilitate them into models that foster urban renewal and transportation efficiency? That is the challenge that the Texas...
City leaders in Akron, Ohio, have set in motion a long-term plan to raise nearly $12 million for a “complete streets” makeover of North Main Street from the Y-bridge to Cuyahoga Falls.
Public engineers received approval Monday from the city council to apply for $6 million in grant funding from...
Having a ticket for some dry cleanings can lead to a lot of watching and waiting. Nobody would blame anyone if they walked out.
Many paying spectators were exiting early during races at the Texas Motor Speedway due to wet conditions. No matter how hard crews worked to dry the track, it usually...
Image source: Fredericksburg Area Metropolitan Planning Organization (FAMPO)
The massive southbound Rappahannock River crossing project has a new design concept that came about after the Virginia Department of Transportation (VDOT) heard from the public about the original plan.
Instead of building the collector-distributor lanes on the outside parallel to I-95’s primary...
