* For example, POITRA provided photosimulation services to RTD for the first extension of the central corridor known as the South Platte Extension.

POITRA also created and maintained the public information websites for the Southeast Corridor MIS (TREX), the North Metro Major Investment Study (MIS) and the US36 Corridor MIS beginning in 1998. The Central Corridor Extension is part of the Regional Transportation District's (RTD) new FasTracks Project, which is advancing several corridors to the design phase.

Photo-realistic photo simulation and design visualization services by POITRA Visual

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Central Corridor Downing Street Photosimulations

RTD FasTracks, Denver, Colorado

The Central Corridor is the second extension of Denver's first Transit Line. It is one of several proposed transit corridors in the FasTracks program that have been evaluated throughout the Denver Metro area as Environmental Impact Statements (EIS) or as Environmental Evaluations (EE). POITRA has provided services on nearly all of these corridors at some point in their long histories.*

The Central Corridor extends the original RTD Central Corridor light rail transit (LRT) system and will use LRT vehicle technology. The unique feature of the Central Corridor is that the LRT or the briefly studied trolley vehicles will share a lane with automobile traffic in an in-street design. The Downing Street Visualization was needed to illustrate this concept to the public.

POITRA used its existing custom LRT model vehicle and created a new custom model of the trolley vehicle. Potential RTD color and marking schemes were developed for the trolley by POITRA.

Photo-realistic photo simulation and design visualization services by POITRA Visual


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Mouse-over images above to toggle between the existing photo and the photosimulations.

Photo-simulations proved to be the best medium for accurate evaluation and for confident presentation to public stakeholders. POITRA created each photo-simulation with both LRT and trolley vehicles using combined 3D rendering and photo-simulation techniques. POITRA photographed several views of the area. Once the final view was selected, near a popular community center, the existing curb and gutter, sidewalks, street lights, pedestrians, on-street parking and even lanes of traffic had to be reconfigured to precisely follow the Engineer's design. Only then could the proposed LRT or trolley line be properly placed.

POITRA created a 3D model that included the track bed, rails, and catenary system. The model was camera matched, lighted, rendered and composited with the photograph. POITRA proprietary model Siemans Dewag LRT and Skoda-Astra Trolley vehicles were added to create final photo-simulations.

The finished simulations were used in meetings with Fastracks stakeholders and in the EIS document.end of article


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