Palo Alto Road Separation Potential Impacts Planning & Transportation Commission June 17, 2010

At Grade Alternative

Preliminary Alternatives Analysis p51

HSRA Assumptions 8% road grade 22 foot vertical separation if elevation change from existing to future driveway is greater than 2 feet, full parcel acquisition is assumed No road closures (unless requested by the City)

CHARLESTON

Charleston Road Impact Summary Neighborhoods – Charleston Meadows, Greenmeadow, Fairmeadow Parcel Impacts – 23 Full Parcel Acquisitions (all R-1) – 16 Partial impacts (all R-1) Road depressions – Charleston, Alma, Park and Wright Estimated full parcel acquisition values – $26,087,000

MEADOW

Meadow Drive Impact Summary Neighborhoods – Charleston Meadows, Ventura, Fairmeadow, Midtown Parcel Impacts – 24 Full Parcel Acquisitions (22 R RM CN) – 19 Parcel Impacts (18 R PC:Alma Plaza) Road depressions – Meadow, Alma, Park, 2 nd and Emerson Estimated full parcel acquisition values – $21,072,000

Churchill Ave Underpass CHURCHILL

Churchill Ave Impact Summary Neighborhoods – Southgate, Old Palo Alto Parcel Impacts – 36 Full Parcel Acquisitions (13 R R RM-15) – 7 Parcel Impacts (5 R-1 +1 RM School:Paly) Road depressions – Churchill, Alma, Mariposa – minor change to Castilleja, Kellogg & Coleridge Estimated full parcel acquisition values – $50,753,000

Totals 83 Full Acquisitions – 58 R R RM RM CN – Value Estimate of Residential properties only: $97,912, Parcel Impacts – 39 R PC (Alma Plaza) + 1 RM School(Paly)

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Palo Alto Right of Way* Peers Park Meadow Charleston San Antonio University Embarcadero Alma Cal Ave 96 ft 85 ft 79 ft *Approximate – not perfectly to scale. Not official diagram.