No subdivision and/or land development plan application shall be
finally approved unless the streets shown on such plan have been improved
to a mud free or otherwise permanently passable condition or improved
as required by this chapter and any walkways, curbs, gutters, streetlights,
fire hydrants, shade trees, water mains, sanitary sewers, storm sewers,
and other improvements as required by this chapter have been installed
in accordance with this chapter. In lieu of the completion of any
improvements required as a condition for final subdivision and/or
land development plan approval, including improvements or fees, the
applicant shall deposit financial security with the municipality in
an amount sufficient to cover the costs of such improvements or common
amenities including, but not limited to, roads, stormwater detention
and/or retention basins and other related drainage facilities, recreational
facilities, open space improvements, or buffer or screen plantings
which are or may be required. (NOTE: See Pennsylvania Municipalities
Planning Code, Act 247, Section 509(a)).