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|terminus_b1= |section2=Segment F2 |length_mi2=1.0 |terminus_a2=Holzwarth Road in Spring |terminus_b2= in Spring |junction2= |terminus_c2= |section3=Segment I2 |length_mi3=12 |terminus_a3= in Mont Belvieu |terminus_b3= in Baytown |previous_type=TX |previous_route=98 |next_type=TX |next_route=100 }} State Highway 99, also known as the Grand Parkway, is a Texas highway which opened its first section in 1994. When State Highway 99 is complete, it will be the longest beltway in the U.S., and the third (outer) loop within Houston–The Woodlands–Sugar Land metropolitan area, with Interstate 610 being the first (inner) loop, and Beltway 8 (Sam Houston Tollway) being the second (middle) loop. The proposed loop has been divided into 11 separate segments for construction and funding purposes.〔(【引用サイトリンク】title=Grand Parkway Segments )〕 Only 3 of the 11 segments are complete. As of December 25, 2011, all segments except A have been fully funded. ==Previous routes== In 1926, SH 99 was a minimal highway from Fort Stockton to San Angelo. By 1933, SH 99 had extended to Alpine. By 1935, this route was transferred to SH 10. In 1960, a new route was made for SH 99, going from Denton to the Oklahoma line, replacing the old routing of SH 10. SH 10 then was changed to SH 99 to match OK 99 at its border. In 1968, this route became US 377. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Texas State Highway 99」の詳細全文を読む スポンサード リンク
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