"§ 37.47 Key stations in light and rapid rail systems."
（略＞＜）
"(c)
(1) Unless an entity receives an extension under paragraph (c)(2) of this section, the public entity shall achieve accessibility of key stations as soon as possible, but in no case later than July 26, 1994.

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"...
(2) The FTA Administrator may grant an extension of this completion date for key station accessibility for a period up to July 26, 2020, provided that two-thirds of key stations are made accessible by July 26, 2010. Extensions may be granted as provided in paragraph (e) of this section."