Palo Alto Road Separation Potential Impacts
Planning & Transportation CommissionJune 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)
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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
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Meadow Drive Impact Summary
Neighborhoods– Charleston Meadows, Ventura, Fairmeadow, Midtown
Parcel Impacts– 24 Full Parcel Acquisitions (22 R-1 + 1 RM-30 + 1 CN)– 19 Parcel Impacts (18 R-1 + 1 PC:Alma Plaza)
Road depressions– Meadow, Alma, Park, 2nd and Emerson
Estimated full parcel acquisition values– $21,072,000
Churchill Ave Underpass
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Churchill Ave Impact Summary
Neighborhoods– Southgate, Old Palo Alto
Parcel Impacts– 36 Full Parcel Acquisitions (13 R-1 + 11 R-2 + 12 RM-15)– 7 Parcel Impacts (5 R-1 +1 RM-15 + 1 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-1 + 11 R-2 + 12 RM-15 + 1 RM-30 + 1 CN– Value Estimate of Residential properties only:
$97,912,000 42 Parcel Impacts
– 39 R-1 + 1 PC (Alma Plaza) + 1 RM-15 + 1 School(Paly)
Marked Up Map
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Palo Alto Right of Way*
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96 ft85 ft79 ft
*Approximate – not perfectly to scale. Not official diagram.