회전교차로 설계지침

2014.12

 

지침 개정에 따른 경과 조치

본 지침은 발간 시부터 적용하며, 이미 시행중인 설계

용역이나 건설공사에 대하여는 발주기관의 장이 필요하

다고 인정하는 경우에 적용할 수 있습니다.

 

차 례

제1장 총 칙 ····················································1

1.1 지침 목적 ···················································1

1.2 지침 적용범위 ···············································1

1.3 회전교차로 정의 및 운영원리 ·································2

1.4 회전교차로 구성요소 및 용어정의 ·····························4

제2장 회전교차로 특징과 유형 ····································7

2.1 회전교차로 특징 ·············································7

2.2 회전교차로 유형 ············································11

제3장 회전교차로 계획 및 전환기준 ····························17

3.1 회전교차로 설치 여건 ·······································17

3.2 회전교차로 계획 및 전환기준 ································19

3.3 단계별 계획 절차 ···········································22

제4장 회전교차로 설계기준 ···································25

4.1 설계절차 ···················································25

4.2 설계 기본원리 및 조건 ······································27

4.3 기하구조 설계기준 ··········································44

4.4 안전 및 부대시설 기준 ······································63

부 록 ····················································· 78

• 회전교차로 설계 예시도

• 국외 회전교차로 설치 사례

표 목 차

<표 1.1> 회전교차로와 교통서클의 비교 ·····························3

<표 3.1> 회전교차로 유형별 계획기준 ······························19

<표 4.1> 국내 설계기준자동차 제원 ································31

<표 4.2> 회전교차로 정지시거 ·····································39

<표 4.3> 설계속도별 최소 교차로시거 ······························40

<표 4.4> 소형 회전교차로 내접원 지름 ·······························47

<표 4.5> 1차로형 회전교차로 내접원 지름 ·························47

<표 4.6> 2차로형 회전교차로 내접원 지름 ·························48

<표 4.7> 유형 및 설계기준자동차별 진입차로 폭 및 진입반경 ··············50

<표 4.8> 소형 회전교차로 회전부 제원 ·······························54

<표 4.9> 1차로형 회전교차로 회전부 제원 ·························55

<표 4.10> 2차로형 회전교차로 회전부 제원 ························55

<표 4.11> 설계속도별 분리교통섬 길이 ···························61

그림 목차

<그림 1.1> 회전교차로 구성요소 ····································4

<그림 2.1> 회전교차로의 연간 지체시간 감소효과 ····················8

<그림 2.2> 자동차 간 상충 횟수 비교 ·······························9

<그림 2.3> 자동차와 보행자 간 상충 횟수 비교 ······················10

<그림 2.4> 소형 회전교차로 ·······································13

<그림 2.5> 1차로형 회전교차로 ···································13

<그림 2.6> 2차로형 회전교차로 ···································13

<그림 2.7> 주거지역 진입로 설치 예 ·······························14

<그림 2.8> 평면형 회전교차로 ·····································15

<그림 2.9> 터보 회전교차로 ·······································15

<그림 2.10> 입체형 회전교차로 ···································16

<그림 2.11> 물방울(T-Drop)형 회전교차로 ··························16

<그림 3.1> 교통소통 측면의 회전교차로 전환기준 ····················21

<그림 4.1> 회전교차로 접근로 수 ·································27

<그림 4.2> 진입로 기하구조를 통한 자동차 주행경로 곡선화 ·············28

<그림 4.3> 회전교차로 통과교통류 속도 변화 ·························28

<그림 4.4> 회전교차로 중심 위치 ·································29

<그림 4.5> 회전차로 폭 변화 ·····································29

<그림 4.6> 진입부 자동차 시거 확보 필요 구간 ······················30

<그림 4.7> 접근로 연장축 방향 ····································30

<그림 4.8> 접근로 중심선 방향 ····································31

<그림 4.9> 직진자동차의 회전경로(1차로형 회전교차로) ············33

<그림 4.10> 직진자동차의 회전경로(2차로형 회전교차로) ···········33

<그림 4.11> 좌회전자동차의 회전경로(1차로형 회전교차로) ·········33

<그림 4.12> 우회전자동차의 회전경로(1차로형 회전교차로) ·········34

<그림 4.13> 속도와 회전반지름 관계 ······························35

<그림 4.14> 회전반지름 종류 ·····································35

<그림 4.15> 완만한 감속을 유도하는 접근부 설계 ···················37

<그림 4.16> 완만한 감속 유도를 위한 중앙교통섬 처리 예 ············38

<그림 4.17> 진입부 교차로시거 ···································40

<그림 4.18> 고속도로 톨게이트 진출입로 설치 예 ···················42

<그림 4.19> 간선도로 하부의 일반도로 설치 예 ·····················43

<그림 4.20> 회전차로 횡단면 설계(화물차 턱이 있는 경우) ·············45

<그림 4.21> 회전차로 횡단면 설계(화물차 턱이 없는 경우) ·············45

<그림 4.22> 진입부와 진출부 설계 ································48

<그림 4.23> 진입각 측정방법 ·····································49

<그림 4.24> 2차로형 회전교차로에서 통행로 상충 ··················52

<그림 4.25> 2차로형 회전교차로에서 자연스러운 주행을 유도하기 위한 설계 예· 52

<그림 4.26> 2차로형 회전교차로에서 통행로 상충 여부 평가방법 ····53

<그림 4.27> 소형 회전교차로의 중앙교통섬 처리 예 ················56

<그림 4.28> 소형 회전교차로의 중앙교통섬 횡단면 설계 ·············57

<그림 4.29> 1차로형·2차로형 중앙교통섬 횡단면 설계 ···············58

<그림 4.30> 중앙교통섬 조경 ·····································59

<그림 4.31> 분리교통섬 설계제원 ·································60

<그림 4.32> 우회전 전용차로 설계방법 ····························62

<그림 4.33> 도로안내표지 설치 예 ································65

<그림 4.34> 교통안전표지 및 노면표시 설치 예 ·····················66

<그림 4.35> 회전교차로 조명시설 설치위치 ························68

<그림 4.36> 회전교차로 유형별 일반 횡단보도 설치 예 ···············69

<그림 4.37> 회전교차로 2단 횡단보도 설치 예 ·····················70

<그림 4.38> 입체 횡단보도 설치 예 ·······························70

<그림 4.39> 자전거 전용도로 설치 예 ·····························71

<그림 4.40> 회전교차로 접근로 상의 주차 시설 설치 예 ·············73

<그림 4.41> 회전교차로 버스정류장 설치 유형 예 ···················74

<그림 4.42> 배수시설 설치 예 ····································75