; and (2) by inserting before the period at the end the following: and name any road that the commander of a military installation (as such term is defined in section 2687(g)(1) of title 10, United States Code) or the Secretary of a military department has recommended that the Secretary of Defense certify as a defense access road during the period beginning on April 1, 2009, and ending on the date of the enactment of the Defense Roads Improvement Act . 4. Improvement of defense access roads program Section 210 of title 23, United States Code, is amended— (1) in subsection (a)(1)— (A) in subparagraph (A)— (i) in clause (i), by inserting or military installations after reservations ; and (ii) in clause (iii), by inserting or commercial shipyards after sea ports ; (B) in subparagraph (C)— (i) in clause (i), by inserting or military installations after reservations ; and (ii) in clause (ii), by inserting or commercial shipyards after sea ports ; (2) in subsection (f), by striking section 112 and inserting sections 112, 113, and 313 ; (3) in subsection (i), by inserting , or commercial shipyard after sea port ; and (4) by adding at the end the following new subsection: (j) Military installation defined In this section, the term military installation has the meaning given that term in section 2801 of title 10, United States Code. .