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第9編
幾何構造
1．幾何構造情報の構成 ............................................................... 9-1
1−1 構成 .......................................................................... 9-1
1−2 作成概要 ...................................................................... 9-2
2．幾何構造情報の作成方法 ........................................................... 9-4
2−1 作成単位 ...................................................................... 9-4
2−2 作成タイミング ................................................................ 9-5
2−3 作成者 ........................................................................ 9-5
2−4 作成内容 ...................................................................... 9-6
3．幾何構造情報の作成定義 ........................................................... 9-7
3−1 基本資料情報 .................................................................. 9-7
3−2 工事情報 ...................................................................... 9-8
3−2−1 IC 区間 ................................................................... 9-8
3−2−2 区間 .................................................................... 9-10
3−2−3 道路規格等 .............................................................. 9-13
3−2−4 平面線形 ................................................................ 9-16
3−2−5 縦断勾配 ................................................................ 9-20
3−2−6 縦断曲線 ................................................................ 9-23
3−2−7 本線横断勾配 ............................................................ 9-26
3−2−8 登坂車線 ................................................................ 9-29
3−2−9 車線数・幅員 ............................................................ 9-32
3−2−10 左側路肩幅員 ........................................................... 9-39
3−2−11 右側路肩幅員 ........................................................... 9-43
3−2−12 中央分離帯構造 ......................................................... 9-47
3−2−13 中央分離帯幅員 ......................................................... 9-51
3−2−14 中央分離帯施設 ......................................................... 9-54
3−2−15 加減速車線 ............................................................. 9-57
3−2−16 非常駐車帯 ............................................................. 9-61

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