Case Studies

For several years, the busy intersection of Lafranier Road and South Airport Road in Traverse City, Mich., near the Cherry Capital Airport was also one of the most dangerous. The steep, 12% grade at the end of Lafranier Road made it difficult for drivers to stop as they approached the South Airport...
Situated between San Francisco Bay and Northern California, Sonoma County is home to almost half a million residents. The county is over 1500 sq miles of natural resources, wineries and tourist destinations. Over 26 departments provide a full range of services to the community.   The county manages...
Interstate 95 passes through more states than any other interstate highway—15 total from New England to Florida—making it the longest north-south interstate in North America. A major stretch of Florida’s leg of I-95 is undergoing a multiyear, multimillion-dollar expansion project to widen it from...
Last August, the Utah Department of Transportation (UDOT) released its long-range plan to address transportation needs in rural Utah over the next 25 years. The plan focused primarily on rural areas of the state and identified projects presumed to strengthen the state’s economy and enhance the...
To improve both work-zone and worker safety, the Pennsylvania Turnpike Commission tested temporary portable rumble strips (TPRS, or rumble strips) in September and October of 2015.   The goal was to test the effectiveness of TPRS in short-term work zones. Specifically, to determine if TPRS would “…...
As a result of periodic culvert inspections, the Virginia Department of Transportation (VDOT) identified an existing triple-barrel steel-plate culvert south of Richmond, Va., as requiring a repair. Since the roadway above the existing culvert had just been repaved and new guardrail had been...
Central Hudson Gas & Electric in New York State was working on the OR, EM & PX Line Project, performing several miles of line maintenance and repair. Seasonal rains saturated the ground and elevated the water level in the nearby Hudson River. Central Hudson Gas & Electric needed a way...
Lower Allen Township Authority, a regional municipal sewer authority in Pennsylvania, provides service in Cumberland and York counties, west of the busy Harrisburg metro area. Superintendent David Ramsey deals with the same paving and manhole maintenance challenges as any municipal sewer system...
The intersection of Rybolt and Wesselman Roads in Green Township, Ohio, was notorious for its significant visibility problems and heavy traffic. With construction starting in 2014 on a new subdivision nearby, Hamilton County officials initiated plans to widen the intersection to allow for the...
With thousands of bridge construction projects under its belt, and with the largest fleet of crawler cranes in North America, the ALL Family of Companies has become a trusted partner for complex jobs. Dawes Rigging & Crane Rental, ALL’s four-location presence in Wisconsin, is providing five big...
New York’s Tappan Zee Bridge is a vital component of the state’s infrastructure system. On average, it bears the load of 138,000 vehicles each day, helping commuters cross the Hudson River at one of its widest points; but the bridge, which opened to traffic in 1955, was originally designed to last...
Founded in 1890, Lane Construction Corporation is one of the ‘biggies’ in civil infrastructure contracting. The company regularly takes on, and successfully completes, projects ranging in scope from $15 million on up to $1.5 billion. With that much work completed over so many years, Lane...

BoardWalk Ramp installed at County Courthouse, March 15, 2016 (with dimensions added).

Cleveland, Ohio, the county seat of Cuyahoga County, has made some news recently. The Cleveland Cavaliers won the NBA Championship, and the parade that followed, attended by about 1.3 million people, also made national news.     Since the Cavs won, the city’s equally beloved baseball team, the...
As the main U.S. highway along the East Coast, Interstate 95 is one of the busiest and most important in the country. Like many others, it requires constant maintenance and oversight that can be troublesome for many state departments of transportation. One such problem arose on the I-95 South...
The Paseo Del Norte/I-25 Interchange is one of the busiest corridors in New Mexico, often producing major traffic congestion issues during rush hours. The city of Albuquerque needed a way to make it easier and safer to travel on the highways, and wanted to incorporate a pedestrian walkway and bike...
In Sauk County, Wis., an hour northwest of Madison, the Baraboo Bypass off U.S. 12 is coming together—literally. The south section of the bypass will be 5.4 miles long and four lanes wide, splitting from U.S. 12 at Ski Hi Road in the city of Baraboo, proceeding northward. The north section of the...
Gray & Son, Inc. is a family-owned contracting firm in Maryland with roots going back to 1908. They are currently one of the biggest paving contractors serving Baltimore and the surrounding counties, and have a reputation for introducing state-of-the-art solutions that cost-effectively keep the...
Drainage systems are critical components of any type of construction, and flooding is always a risk to consider when completing public works projects. Maintenance and rehabilitation to storm water systems must be performed quickly and efficiently to prevent any significant damage from forming or...
Polk County, Minn. has approximately 400 miles of gravel roads that it maintains.   “Every year the county would spend money adding gravel that was lost during the winter snowplowing season, have to fix frost boils, and receive complaints about muddy conditions during the rainy season,” said...
Scored pavement—or rumble strips—alert inattentive drivers to potential danger. These strips, typically applied on the shoulder or centerline, are proven to be an effective way to reduce accidents and save lives. Numerous studies also show a very high benefit-to-cost ratio for shoulder rumble...
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