The purpose of this maintenance and operation plan is to assure that the 1-394 Third Avenue North Distributor (TAD) Garage A (7th Street North), Garage B (5th Street North) and Garage C (4th Street North), hereafter referred to as the TAD Garages, are maintained and operated safely, efficiently, in support of the I-394 High Occupancy Vehicle (HOV) incentive programs, and in support of the goals and objectives of the 1-394 Transportation System Management Plan (TSM) . The purpose of this maintenance and operation plan is also to assure that the TAD Garages are maintained and operated in accordance with 23 USC 137, Fringe and Corridor Parking Facilities (see Appendix B-l), Section 127 (a) of the 1982 Surface Transportation Assistance Act (see Appendix B-2) , and Minnesota Statute 161.1231 (see Appendix B-6).
This cell phone study is an internal, statewide study at the Minnesota Department of Transportation (Mn/DOT). The Senior Management Team is seeking recommendations for cost-effective measures regarding cell phone use. The question that originally triggered the study was whether Mn/DOT could save costs by pooling cell phone minutes. It is the conclusion of the study that pooling is just one of many cost-saving strategies, and that there is a need in Mn/DOT for a better overall process for managing cell phones.
The 87 Minnesota counties have developed differing ordinances regarding the mining and taxing of gravel deposits. The Geotechnical Section - Aggregate Unit of Construction and Materials Engineering saw the need for a database to store data on county conditional use permits, gravel taxes, county contact offices, phone and fax numbers, and pertinent comments.
The intent of the Minnesota Airport Development Guide is to promote a statewide system of airports by providing a framework for meeting the short, intermediate, and long range needs for airport and air navigation facilities in the State of Minnesota.
General supervision over aeronautics within the State is the responsibility of the Commissioner of Transportation. It is his responsibility to encourage, foster, and assist aeronautics development and to encourage the establishment of airports and air navigation facilities.
Minnesota Statutes 360 establishes a State Airport Fund consisting of aviation user (aircraft registration, aviation fuel, and airline flight property) taxes collected by the State. Monies are appropriated by the State Legislature from this fund to the Department of Transportation. These monies are used to assist airport sponsors to acquire, construct, improve, maintain, and operate airports and air navigation facilities. The monies are to be expended upon projects included in the State airport system established by the Commissioner, These airports or air navigation facilities are owned, controlled, or operated or are to be owned, controlled, or operated by political subdivisions of the State of Minnesota.
The Airport Development Guide identifies the State airport system and attempts to coordinate long-range development of airports and air navigation facilities. It is a document for use at the local level as a framework for aviation needs, but public airport sponsors have the ultimate responsibility to determine the extent and timing of actual airport projects.
The intent of the Minnesota Airport Development Guide is to promote a statewide system of airports by providing a framework for meeting the short, intermediate, and long range needs for airport and air navigation facilities in the State of Minnesota.
General supervision over aeronautics within the State is the responsibility of the Commissioner of Transportation. It is his responsibility to encourage, foster, and assist aeronautics development and to encourage the establishment of airports and air navigation facilities.
Minnesota Statutes 360 establishes a State Airport Fund consisting of aviation user (aircraft registration, aviation fuel, and airline flight property) taxes collected by the State. Monies are appropriated by the State Legislature from this fund to the Department of Transportation. These monies are used to assist airport sponsors to acquire, construct, improve, maintain, and operate airports and air navigation facilities. The monies are to be expended upon projects included in the State airport system established by the Commissioner, These airports or air navigation facilities are owned, controlled, or operated or are to be owned, controlled, or operated by political subdivisions of the State of Minnesota.
The Airport Development Guide identifies the State airport system and attempts to coordinate long-range development of airports and air navigation facilities. It is a document for use at the local level as a framework for aviation needs, but public airport sponsors have the ultimate responsibility to determine the extent and timing of actual airport projects.
Over the last several years shipping costs and efficiencies have led to the emergence of larger trucks with increased load capacity. Many of Minnesota's state and county highways were built many years ago and were not designed to withstand the weights of todays larger trucks. Many roads continue to be restricted to heavy vehicles, particularly in the spring when thawing conditions make roadways especially vulnerable to weight related damage.
In response to this situation, legislation was enacted in 1985 requiring the preparation of a market artery study to identify the routes, costs and priorities for upgrading the load capacity of the highways which are important to Minnesota shipping.
This report documents the first phase of the market artery study conducted by the Minnesota Department of Transportation (Mn/DOT). Market arteries have been identified based on input from counties, cities. Regional Development Commissions and the public. In addition, upgrading needs and costs have been estimated and Mn/DOT District priorities for accommodating 80,000 pound vehicles on identified market artery routes have been determined.
Usability testing was conducted on the LRRB Web site from March 24 to April 7, 2004, with the participation of ten Minnesota transportation engineers. Testing was performed at the worksites of five county and five city transportation engineers throughout the state. The purpose of the testing was to evaluate the effectiveness and usefulness of the site for its target audience, local transportation practitioners.
On May 7, 1975, one of the main girders of the Lafayette Street Bridge over the Mississippi River in St. Paul, Minnesota, was discovered to be cracked.
Subsequently, on May 18, 1975, Dr. J. W. Fisher visited the site for a visual examination of the cracked girder. An agreement was made with the Department of Highways to investigate the cracked girder in order to ascertain the causes of the cracking and provide recommendations for corrective action-as may be deemed necessary for other details that may need attention.
The objective of this project was to conduct a state-of-the-art or synthesis research study on bridge design methods used in areas where low bearing capacity or unstable soils exist.
Over the past 15 years, foundations of certain bridges in the Red River Valley region of Minnesota have experienced detrimental degrees of movement. Settlement or shifting of piers, abutments and approach fills are common and particularly difficult to correct. The result has been that maintenance operations to keep structures in service are frequent and costly.
Three courses of action were pursued in preparing the synthesis. First, a literature search was conducted and various reports dealing with the topic were reviewed. Second, a limited field inspection was undertaken and problem sites (failure areas) were visited. Lastly, several meetings were held with persons knowledgeable about the situation and possible methods for correcting it.
Through this process, the problem was more thoroughly analyzed and a better definition of the scope of the study was developed with limits established.
One of the most serious and costly problems presently facing highway agencies is premature bridge deck deterioration. In many cases decks designed to last forty years have required major surface repairs after only ten years of service due to spalling. This spalling has been determined to be related to deicing chemical "chloride" induced corrosion of the rebars.
In response to this problem, Mn/DOT initiated a comprehensive program to restore damaged decks and protect new decks. At present, the two basic approaches to solving the problem are:
1. Prevent the penetration of chloride ions and moisture into the deck through the use of protective membranes, special concrete overlays and deck sealers.
2. Coat the rebars with epoxy to prevent chloride Ions from reaching the steel once the surrounding concrete has become contaminated.
Bridge decks were constructed or reconstructed using protective membranes, special concrete overlays and coated rebars. Testing and evaluation consist of visual observations, delamination detection, determining depth of concrete cover over rebars, electrical potential measurements and electrical resistance measurements.
