Way History: 199870519

Modified 280 start date to "late sixities", ie 1969 according to Wikipedia.

highway	motorway_link
oneway	yes
source	1977 San Mateo County, Compass Maps
start_date	1969

12 nodes

Corrected details on access roads and bridges on 280 and Woodside, Sand Hill, Alpine and Page Mill

highway	motorway_link
oneway	yes
source	1977 San Mateo County, Compass Maps
start_date	1977

12 nodes

Added 280 Page Mill Rd interchange

highway	motorway_link
oneway	yes
source	1977 San Mateo County, Compass Maps
start_date	1977

12 nodes

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