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<br />7.A <br />Page 25 <br /> <br />Aerial <br />. Noise <br />. Aesthetics <br />. Accidents (trains can de-rail) <br />At-grade <br />. Take more eminent domain <br />TrenCh (coveredJuncovered) <br />. Exhaust (fumes) <br />. Because of width -7 requires more eminent domain with 4-track option <br />Tunnel <br />. Cost <br />. There \von't be a high-speed rail station in Red wood City (could also be an <br />advantage) <br /> <br />Group 3... challenges <br />Aerial/At-grade <br />. Runs directly through downtown: <br />o Noise <br />o Buffers <br />o Cutting the City into two parts (example: El Cerrito) <br />. All above grade options would mean an entire separation of communities <br />. Elevated tracks <br />o Noise issues similar to the feeling underneath the BART system-7 <br />terrible noise impact <br />o Aesthetically horrible <br />o The benefits of Redwood City are that there are no high rises, low impact <br />footprint (height). This would be a visual impact to the downtown area. <br />Trench (covered/uncovered) <br />. Eminent domain <br />. Construction right of way and temporary track <br />. Noise - needs to be covered <br />. Venting an open trench is still necessary <br />o Vents are where the noise gathers <br />. Trench is not a solution for everyone <br />. Open trench still has noise issues <br />. People can still get into the open trench -7 safety concerns. You would have <br />potential openings <br />General Comments on Track Placement <br />. Lots of ways to grade separate - don't have to elevate to grade separate <br />o Don't have to be joined together <br />. Funding <br />. How is running HSR through Redwood City going to enhance the city? <br />o Noise = intrusive <br />o Benefit or detriment? <br />. Best practices = TGV / Switzerland <br />