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Alternative 1 – Taylor Road Full Access Interchange (Diamond-Shaped)
This alternative includes the following elements:
- Widen I-80 to add one or two mixed-flow lanes and one or two auxiliary lanes in each direction of travel, depending on the location within the project limits.
- Widen SR 65 to include one HOV lane, one additional mixed-flow lane, and one or two auxiliary lanes in each direction of travel, depending upon the location within the project limits.
- Improve the I-80/SR 65 Interchange ramps by adding one lane to each ramp, by realigning the existing eastbound I-80 to northbound SR 65 loop ramp to a higher speed alignment, and by adding a direct connecting HOV ramp serving eastbound I-80 to northbound SR 65 and southbound SR 65 to westbound I-80.
- Remove the existing I-80/Taylor Road ramp connections (eastbound off-ramp and westbound on-ramp).
- Add a diamond-shaped (Type L-1) interchange connection for I-80/Taylor Road, including eastbound and westbound ramps to and from I-80. The interchange would be combined within the I-80/SR 65 Interchange footprint.
- Improve Taylor Road within the project limits.
- Improve other ramps and intersections of the I-80/Eureka Road/Atlantic Street Interchange and the SR 65/Galleria Boulevard/Stanford Ranch Road Interchange.
This alternative would improve spacing between interchanges on I-80 by relocating the two existing Taylor Road ramps. It would also improve access between the local streets and freeway system by providing two additional ramp connections to Taylor Road.
Alternative 2 – Taylor Road Full Access Interchange (Trumpet-Shaped)
This alternative is similar to the Taylor Road Full Access Interchange (Diamond-Shaped), but it provides a different Taylor Road Interchange configuration. This alternative includes the following elements:
- Widen I-80 to add one or two mixed-flow lanes and one or two auxiliary lanes in each direction of travel, depending on the location within the project limits.
- Widen SR 65 to include one HOV lane, one additional mixed-flow lane, and one or two auxiliary lanes in each direction of travel, depending on the location within the project limits.
- Improve the I-80/SR 65 interchange ramps by adding one lane to each ramp, by realigning the existing eastbound I-80 to northbound SR 65 loop ramp to a higher speed alignment, and by adding a direct connecting HOV ramp serving eastbound I-80 to northbound SR 65 and southbound SR 65 to westbound I-80.
- Remove the existing I-80/Taylor Road ramp connections (eastbound off-ramp and westbound on-ramp).
- Add a trumpet-shaped (Type L-12) interchange connection for I-80/Taylor Road, including eastbound and westbound ramps to and from I-80. The interchange would be combined within the I-80/SR 65 Interchange footprint.
- Improve Taylor Road within the project limits.
- Improve other ramps and intersections of the I-80/Eureka Road/Atlantic Street Interchange and the SR 65/Galleria Boulevard/Stanford Ranch Road Interchange.
This alternative would improve spacing between interchanges on I-80 by relocating the two existing Taylor Road ramps. It would also improve access between local streets and the freeway system by providing two additional ramp connections to Taylor Road.
Alternative 3 – Taylor Road Interchange Eliminated
This alternative includes the following elements:
- Widen I-80 to add one or two mixed-flow lanes and one or two auxiliary lanes in each direction of travel, depending on the location within the project limits.
- Widen SR 65 to include one HOV lane, one additional mixed-flow lane, and one or two auxiliary lanes in each direction of travel, depending on the location within the project limits.
- Improve the I-80/SR 65 Interchange ramps by adding one lane to each ramp, by realigning the existing eastbound I-80 to northbound SR 65 loop ramp to a higher speed alignment, and by adding a direct connecting HOV ramp serving eastbound I-80 to northbound SR 65 and southbound SR 65 to westbound I-80.
- Remove the existing I-80/Taylor Road ramp connections (eastbound off-ramp and westbound on-ramp).
- Improve Taylor Road within the project limits.
- Improve other ramp and intersections to the I-80/Eureka Road/Atlantic Street Interchange and the SR 65/Galleria Boulevard/Stanford Ranch Road Interchange.
This alternative would improve spacing between interchanges on I-80 by eliminating the two existing Taylor Road ramps. The access to the Taylor Road area would be accommodated by the adjacent local interchanges.
Alternative 4 – Transportation System Management
This alternative proposes to improve the transportation system with the following options:
- Ramp metering.
- HOV bypass lanes.
- Traffic signal coordination.
- Transit options.
- Bicycle and pedestrian facilities.
A transportation system management (TSM) working group was created to identify potential TSM options for the project. A TSM meeting was held on March 20, 2012, to discuss potential solutions that could be incorporated into the TSM concept alternative. The feasible TSM features identified by the working group were included as part of the alternative.
Alternative 5 – No-Build (No Project)
This alternative would not make any improvements to the I-80/SR 65 interchange or adjacent transportation facilities to satisfy the purpose and need. HOV and auxiliary lanes proposed on SR 65 north of Galleria Boulevard/Stanford Ranch Road, and other local improvements separately proposed and identified in the Metropolitan Transportation Plan, would be implemented according to their proposed schedules.