more fixing of highways from TIGER
coastline traced over Yahoo! imagery
set Parkway to be "highway=trunk"
downgraded "motorway" to trunk as it meets a roundabout
tidied up parkway, demoted to trunk where it is a two-way road
fixed wrong-way section of Parkway, tidied nodes in straight road, "Pky" -> "Parkway"
added reference route number to Bay Parkway
retrieved an accidentally deleted Parkway
"pky" -> "Parkway", added refs from Wikipedia
rectified road to Yahoo! imagery
put bridge tag on bridge, had to shorten tiger:tlid as it was too long for the server (>255 chars)
removed extraneous station node (it's already on the node at the end of the track)