John Hennessy III,
P.E.
In the early morning hours of Saturday, Nov. 14, MDOT performed a bridge slide on the new M-100 bridge over the Canadian National (CN) Railroad in Potterville. A bridge slide is an innovative construction project that allows traffic to be maintained throughout the project. The new bridge is built alongside the old one, and once complete, the old bridge is demolished and the new bridge is slid over in its place.
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UNITED STATES DEPARTMENT OF TRANSPORTATION
BUREAU OF TRANSPORTATION STATISTICS
The State Transportation Statistics 2015 report contains comprehensive, quantitative data on the following topics: Infrastructure; Safety; Freight Transportation; Passenger Travel; Registered Vehicles and Vehicle-Miles Traveled; Economy and Finance; Energy and Environment
University of Minnesota-Duluth Associate Professor Ryan Rosandich tests a prototype of a robotic arm he developed to paint messages and markings on roadways. He calls the machine the MnDOT Robot.
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This animation from the Louisiana Department of Transportation and Development explains what survey crews do, and why their work is vital to the preliminary aspects of highway development.
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After an earthquake revealed its instability in 2008, the state of Washington announced it was going to tear down a crumbling double-decker stretch of freeway known as the Alaskan Way Viaduct. After a heated debate, the state decided to use a giant drill named “Bertha” to deep-bore underground tunnel to replace it. Seven years later, the Viaduct is still up, Bertha is stuck underground, and the city’s residents have been left to wonder whether this major project will ever be worth the time and money spent on it.
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NATIONAL LEAGUE OF CITIES
Mobility options are fundamental to providing a robust platform for economic activity and human interaction within the urban environment. Today, rapid technological advances coupled with shifts in demographics and public preferences are dramatically altering the nature of transportation in America’s cities. Technology’s ever-growing impact has profound and far-reaching implications for the future of urban mobility
GoPro footage from an Eagle (amateur) bicyclist testing out the new bike lanes in downtown Wichita. (Matt Riedl/The Wichita Eagle)
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UDOT employees were asked to define what “optimized mobility” is, as part of a presentation by Region One director Kris Petersen and Comptroller director Becky Bradshaw at the 2015 UDOT Annual Conference.
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There are several steps involved in the removal and replacement of the highway surface and sub-structure.
Shifting traffic — Crews establish a work zone and work with paint and barrier wall crews.
Demolishing the road — There are several parts involved in this process and they include milling, or removing the asphalt, breaking the concrete, moving the material out of the way and then crushing it.
Pipe installation — This involves digging up and removing old pipe and installing new pipe.
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