Character vector. Note that streetNameLocator() tries to correct for case and to remove extra spaces.
zoom
Logical.
radius
Numeric. Controls the degree of zoom.
cases
Character. Plot cases: NULL, "anchors" or "all".
add.title
Logical. Include title.
add.pump
Logical. Include nearby pumps.
vestry
Logical. TRUE uses the 14 pumps from the Vestry report. FALSE uses the 13 in the original map.
highlight
Logical. Highlight selected road.
unit
Character. Unit of distance: "meter", "yard" or "native". "native" returns the map's native scale. See vignette("roads") for information on conversion.