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budget for aviation and dulles corridor enterprise funds

budget for aviation and dulles corridor enterprise funds

2012 BUDGETMetropolitan

2012 BUDGETMetropolitan Washington Airports AuthoritySound Wall ProjectsSound Wall Study, $900,000. This project will establish an Airports Authority Noise Policy forthe Dulles Toll Road, create a design standard for the construction of sound walls anddetermine where noise impacts occur by developing a Traffic Noise model. The policy shallmeet the Federal Highway Administration (FHWA) Noise Guidelines. The noise study willinvolve taking sound measurement readings, determining sound generation mechanisms andcreating a Traffic Noise Model. The development of the Traffic noise Model has beenexpanded to include modeling the noise mitigation effectiveness of existing sound walls. TheTraffic Noise model will assist in determining where noise impacts occur and what mitigationcan be provided. This project will also establish design standards for Dulles Toll Road soundwalls which will be incorporated into the Airports Authority Design manual.Sound Wall Improvements, $3,700,000. This project provides for design and emergencyrepair of failing sound walls along the Dulles Corridor. Visual inspections have determinedthat many sections of sound walls are in immediate need of repair to prevent failure. Thisproject would replace panels, add fasteners and connections to support unstable walls andgenerally shore up sound walls which are severely deteriorated.Sound Wall Replacement Phase I (Design and Construction), $7,500,000. This project is forthe structural design for those walls and areas that meet the required Federal HighwayAdministration Noise Wall Guidelines and are designated by the study as candidates forreplacement under the Sound Wall Replacement Study. This work will include the design,plans and specifications to let the required work for construction. Design will includeaesthetics as well as noise abatement design. The Dulles Toll Road Traffic Noise Model willdetermine the noise mitigation effectiveness of existing sound walls. Based on therecommendations of the Traffic Noise Model Study, designs will be developed incorporatingaesthetics, adjacent communities and modern sound attenuation techniques. This providesan opportunity to use modern noise reduction techniques and provide improvements to theDulles Corridor and adjoining neighborhoods. This project will consist of the removal (ifnecessary) and construction of replacement sound walls for Phase I based onrecommendations from the Traffic Noise Model.New Sound Wall Phase 1 (Design and Construction), $500,000. This work will include thedesign, plans and specifications to let the required work for construction. Design will includeaesthetics as well as noise abatement design. The Dulles Toll Road Traffic Noise Model willdetermine the noise mitigation requirements and locations for sound walls. Based on therecommendations of the Traffic Noise Model Study, designs will be developed incorporatingaesthetics, adjacent communities and modern sound attenuation techniques. This providesan opportunity to use modern noise reduction techniques and provide improvements to theDulles Corridor and adjoining neighborhoods.Sound Wall Replacement Phase II (Design and Construction), $5,000,000. This project is forthe structural design for those walls and areas that meet the required Federal HighwayAdministration Noise Wall Guidelines and are designated by the study as candidates forreplacement under the Sound Wall Replacement Study. This work will include the design,plans and specifications to let the required work for construction. Design will include216

2012 BUDGETMetropolitan Washington Airports Authorityaesthetics as well as noise abatement design. The Dulles Toll Road Traffic Noise Model willdetermine the noise mitigation effectiveness of existing sound walls. Based on therecommendations of the Traffic Noise Model Study, designs will be developed incorporatingaesthetics, adjacent communities and modern sound attenuation techniques. This providesan opportunity to use modern noise reduction techniques and provide improvements to theDulles Corridor and adjoining neighborhoods. This project will consist of the removal (ifnecessary) and construction of replacement sound walls for Phase I based onrecommendations from the Traffic Noise Model.Pavement ReconstructionRepair and Resurface Dulles Toll Road (Study, Design and Construction), $17,670,000.This project will provide for the repair and resurfacing of the Dulles Toll Road ramppavements. Initial surveys have identified areas of pavement that may be distressed belowthe surface course that will require full depth repair and/or replacement of subgradematerials. This work can usually be phased over multiple years. Traffic maintenance will bea significant item of work. This work is usually confined to night-time operations in theNorthern Virginia region. Work needs to be planned with adequate timeframes for shiftingtraffic and ancillary construction; therefore, the size of projects will be determined by thequantity of work that can be accomplished in a construction season.Technology and Traffic ManagementITS and TMS Master Plan, $300,000. This project is to develop an ITS and TMS Master Planfor the Dulles Toll Road (Rt. 267) corridor. Components of the master plan may includeincident monitoring cameras and speed detection, road weather information, dynamicmessage signs, Automated Vehicle Identification and Location (AVI and AVL), andcommunication feeds to transmit the information to control facilities and informational sources(e.g., dynamic message signs and other traveler information systems). Electronic tolling islikely to tie into the Master Plan. A more in-depth study will be conducted in the “TollCollection System” project.ITS and TMS Traffic Management Infrastructure (Design and Construction), $5,000,000.This project is to design and construct components of an ITS traffic management system forthe Dulles Toll Road and the Dulles Corridor. Major construction items/activities will dependon the nature of the work to be completed, as identified in the ITS Master Plan. It isanticipated that the system will include incident monitoring cameras and speed detection,road weather information, dynamic message signs, Automated Vehicle Identification andLocation (AVI and AVL), and communication feeds to transmit the information to controlfacilities and informational sources (e.g., dynamic message signs and other travelerinformation systems). The dynamic message signs along the corridor would be designed toprovide travelers with traffic information, lane closures, toll rates, and contact numbers foremergency and courtesy patrol. It is anticipated the dynamic message signs would be linkedwith the VDOT Traffic Management Center and will provide a method of conveying trafficconditions to travelers through their active traffic management system. The signs will also bedesigned so that they could be utilized to convey time-of-day pricing or variable pricing alongthe corridor. Further development of the infrastructure may occur in future years.217

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