Quote:
Originally Posted by Hatman
A requirement, eh? Go on... 
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When the prison redevelopment was being discussed (planning and layout), they wanted to maximize the use of the land while also increasing transit usage within the area.
This was done to try to reduce congestion in the area (remove impacts to both SLC and Utah County from commuters through the area) as well as limit the amount of number of parking garages (land values wouldn't support below grade garages) and preferred zoning coupled with land costs wouldn't support the parking garage with 10+ story building above.
To compensate for these issues, it was deemed better to reroute the Blue Line through the development then the planned route along the existing UTA right of way into Utah County.
Doing this, increased ridership through the area but it wasn't enough to remove the amount of cars and parking structures needed to support the redevelopment project.
Next, the team looked into something similar to the Free Fare Zone in downtown SLC but that was dropped due to the lack of supporting services/structures and land values.
The idea of free transit was tossed around lightly but it gained momentum. There were discussions on what the impact would be for ridership and if it would be enough to help solve the remaining traffic and parking issues.
This helped lead to the push in December for the Free Transit day within the UTA coverage area.
The date was chosen to not have a crushing impact on the existing commuters.
Data from the free transit day showed that ridership roughly doubled on average between the modes.
This data was plugged into some models and it was able to reduce parking needs by nearly 25% above just rerouting the Blue Line. Traffic was projected to be heavier but not noticeably more than it is today.
This put the parking and traffic needs to just the line they needed for the project to be successful for the State without being in constant gridlock and the land full of parking structures.
When they plug in the Red Line extension (into Riverton) and either continuing it through the project or connecting it via a BRT line, the project is able to remove additional parking, there was minimal impact to traffic.
As the project is planned to be phased in, the parking needs will be built as needed, not as planned.
This is all from someone I talked too regarding the development. Mostly it came out of me asking why the Blue Line was shifted West outside of the existing ROW. Nothing should be confidential in that it is fairly straight forward thinking both in the impacts to Air Quality and Ridership values but also in the parking values (more ridership means less parking needed).
I should note that the planning and transit discussions were just regarding the prison redevelopment but it shouldn't come as a shock that the impacts would be felt up and down the Wasatch Front with regards to parking needs as services and ridership increase.
1 final note. FrontRunner was modeled as being doubled tracked (enough for 15 minute frequencies) within 3 years of completion of the new prison.