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KR20070081158A - Signal Control Method for Three-Tier Intersection and Three-Tier Intersection - Google Patents

Signal Control Method for Three-Tier Intersection and Three-Tier Intersection
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KR20070081158A
KR20070081158AKR1020060012840AKR20060012840AKR20070081158AKR 20070081158 AKR20070081158 AKR 20070081158AKR 1020060012840 AKR1020060012840 AKR 1020060012840AKR 20060012840 AKR20060012840 AKR 20060012840AKR 20070081158 AKR20070081158 AKR 20070081158A
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서영진
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주식회사 서영엔지니어링
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Abstract

Translated fromKorean

본 발명에 따른 3지교차로 및 3지교차로의 신호제어방법은 부도로의 좌회전교통류의 진행시 같은 방면의 주도로도 직진통행이 가능하게 되어 주도로의 소통을 원활하게 하므로서 3지교차로의 교통류의 처리용량이 향상되고 교차로의 전체신호주기가 단축되어 차량 통행속도가 향상되는 효과가 있다.The signal control method of the tri-intersection and the tri-intersection according to the present invention enables the straight passage even in the direction of the same direction when the left turn traffic flows to the secondary road, thereby facilitating the communication of the main road. The processing capacity is improved and the overall signal cycle of the intersection is shortened, thereby improving the traffic speed of the vehicle.

Description

Translated fromKorean
3지교차로 및 3지교차로의 신호제어방법{A traffic signal controlling method on the three-way intersection}A traffic signal controlling method on the three-way intersection}

도1은 본 발명의 일실시예에 의한 3지교차로가 도시된 3지교차로의 평면도1 is a plan view of a three-zone intersection showing a three-way intersection according to an embodiment of the present invention.

도2는 본 발명의 다른 실시예에 의한 3지교차로가 도시된 3지교차로의 평면도Figure 2 is a plan view of a three-way intersection is shown three intersections according to another embodiment of the present invention

도3은 본 발명의 또 다른 실시예에 의한 3지교차로가 도시된 3지교차로의 평면도Figure 3 is a plan view of a three-way intersection is shown three intersections according to another embodiment of the present invention

도4는 종래의 3지교차로의 신호현시를 보인 도식도Figure 4 is a schematic diagram showing the signal manifestation of the conventional three-way intersection

본 발명은 3지교차로 및 3지교차로의 신호제어방법에 관한 것으로, 더욱 구체적으로 설명하면, 3지교차로의 신호주기를 단축하고 교차로의 기하구조의 개선으로 교차로 서비스수준이 향상되어 교통류의 처리용량이 향상되고 신호사이클이 단축되므로서 불필요한 차량의 지정체가 방지되어 연료소비가 줄어들게 되며 차량의 통행속도가 향상되어 교차로의 용량이 증대되는 3지교차로 및 3지교차로의 신호제 어방법에 관한 것이다.The present invention relates to a signal control method of a tri-intersection and a tri-intersection, and more specifically, to shorten the signal period of the tri-intersection and improve the intersection service level by improving the geometry of the intersection, traffic capacity of traffic flow The present invention relates to a signal control method for three- and three-way intersections, in which fuel consumption is reduced by improving designation and shortening signal cycles, thereby preventing unnecessary designation of vehicles, and improving traffic speeds.

일반적으로 왕복6차로이상의 대로급 도로인 주도로와 왕복4차로 이하의 중로급 도로인 부도로가 교차하는 3지교차로는 T자형이나 Y자형의 교차로가 형성된다.In general, three-way intersections in which the main road, which is more than six lanes of roundabout, and the secondary road, which is less than four lanes of roundabouts, intersect the T-shaped or Y-shaped intersections.

이러한 3지교차로의 가장 일반적인 신호방법은 도4에 도시된 바와 같이, 주도로인 ①②, ②①방향의 직진 신호를 부여한 다음, 주도로와 부도로인 ①③ 방향의 좌회전 신호, 마지막으로 부도로와 주도로인 ③② 방향 좌회전신호를 부여하는 방식으로 실행되고 있다. 따라서, 종래의 이러한 3지교차로에서는 3개방향중 한번에 한개 방향의 흐름만이 허용되기 때문에 평균교차로의 효율이 1/3 수준에 머무를 수 밖에 없다는 문제점이 있었다. 또한, 주통행량이 주도로의 직진신호 현시시에 발생함에도 불구하고 부도로에서 주도로의 좌회전시 주도로의 모든 직진 교통류가 부도로의 좌회전신호 동안 대기하게 되므로 불필요한 차량의 지정체가 발생하여 도로혼잡의 가장 큰 원인이 되어 사회적으로 커다란 비용을 지불하게 되는 문제점이 있었다.As shown in FIG. 4, the most common signal method of the three-way intersection is a straight signal indirections ①② and ②①, which are the main roads, and then a left turn signal in the direction of ①③, which is a main road and a secondary road, and finally a road and a roadway. The left turn signal in thedirection ③ is executed in a manner of giving a left turn signal. Therefore, in the conventional three-way intersection, there is a problem that the efficiency of the average intersection must remain at 1/3 level because only one direction of the three directions is allowed at a time. In addition, although the main traffic occurs at the time of the straight signal on the main road, when the left turn of the main road to the main road, all the straight traffic flows on the main road waits during the left turn signal of the secondary road, which causes unnecessary traffic designation. The biggest cause of the problem was the large social costs.

본 발명의 목적은 부도로의 좌회전교통류의 진행시 같은 방면의 주도로도 직진통행이 가능하게 되어 주도로의 소통을 원활하게 하므로서 3지교차로의 교통류의 처리용량이 향상되고 교차로의 전체신호주기가 단축되어 차량 통행속도가 향상되는 3지교차로 및 3지교차로의 신호제어방법을 제공하는 것이다.The object of the present invention is to enable the straight passage even in the same direction when the left turn traffic flows to the secondary road to facilitate the communication of the main road to improve the traffic capacity of the three intersections and the overall signal cycle of the intersection It is to provide a signal control method for the tri-crossing and tri-crossing intersection that is shortened to improve the vehicle passage speed.

본 발명의 이러한 목적은 ①②방향의 상행로와 ②①방향의 하행로를 갖는 주도로와, 상기 주도로에 직각에 가깝게 교차되며 ③②방향의 좌회전차로를 갖는 부 도로로 이루어진 3지교차로에 있어서, 상기 주도로의 중앙선의 ①②방향의 직진차로의 부도로의 ③②방향의 좌회전차로가 진입되는 교차로 지점에 ①②방향의 직진전용차로와 ③② 방향의 좌회전전용차로가 독립적으로 설치되고 상기 ①②방향의 직진차로상에서 좌회전진입차로와 직진차로가 구별되는 차로분리수단이 설치된 본 발명에 따른 3지교차로 및 3지교차로의 신호제어방법을 제공하는 것이다.This object of the present invention is a three-way intersection consisting of a main road having an upward path in the direction of ②② and a downward path in the direction of ②①, and a sub-road having a left turn lane in the direction of ③② that crosses at right angles to the main road. At the intersection where the left turn lane in the direction of ①② of the straight road in the direction of ①② of the center line of the road enters, the straight lane in the direction of ①② and the left turn lane in the direction of ③② are independently installed and turn left on the straight lane in the direction of ② It is to provide a signal control method of the tri-crossroads and tri-crossroads according to the present invention is provided with a lane separation means for distinguishing the entry lane and the straight lane.

본 발명에 따른 3지교차로 및 3지교차로의 신호제어방법은 첨부된 도면을 참고로 하여 이하에 상세히 기술되는 실시예에 의하여 그 특징 및 장점들을 명백하게 이해할 수 있을 것이다.The tri-intersection and the tri-intersection signal control method according to the present invention will be clearly understood by the embodiments described in detail below with reference to the accompanying drawings.

본 발명의 일실시예에 따른 3지교차로(A)는, 도1a에 도시된 바와 같이, 일 직선상의 왕복 6차로이상의 주도로(1)와 상기 주도로(1)와 직각으로 교차되는 왕복 4차로 이하의 부도로(2)로서 T자형 3지교차로이다.As shown in FIG. 1A, the tri-crossroads A according to an embodiment of the present invention includes amain road 1 and a round-trip 4 that cross at a right angle with themain road 1 or more. The followingsub-road 2 is a T-shaped three-way intersection.

상기 주도로(1)는 중앙선(C1)을 중심으로 ①②방향의 상행로(11)와 ②①방향의 하행로(12)로 이루어지며 상기 부도로(2)는 중앙선(C2)를 중심으로 ③방향에서 주도로(1)로 진입하는 상행로(21)와 주도로(1)에서 ③방향의 부도로(2)로 진입하는 하행로(22)로 이루어진다.Themain road 1 is composed of anupward path 11 in the direction of ①② and adownward path 12 in the direction of ②① with respect to the center line C1, and thesub-road 2 is in thedirection ③ toward the center line C2. It consists of anuphill road 21 to enter the main road (1) and adownhill road 22 to enter the secondary road (2) in the ③ direction from the main road (1).

상기 주도로(1)의 상행로(11)는 부도로(2)와의 교차되며 통행하는 차량들의 교행로(3)를 중심으로 교행로(3)내로 진입되는 진입상행로(111)와 교행로(3)를 벗어나는 진출상행로(112)로 구분된다.The uphillroad 11 of themain roadway 1 crosses thesub-roadway 2 and enters theuphill road 111 and the crossroad road that enters into theroadway 3 around theroadway 3 of the passing vehicles. (3) out of theupward path 112.

상기 주도로(1)의 하행로(12)는 교행로(3)를 중심으로 교행로(3)내로 진입되 는 진입하행로(121)와 교행로(3)를 벗어나는 진출하행로(122)로 구분된다.Thedownhill passage 12 of themain road 1 is an entrance downhill 121 that enters into theintersection 3 around theintersection 3 and an exit downhill 122 that exits theintersection 3. Separated by.

상기 주도로(1)의 진입상행로(111)는 4개차선의 ①②방향의 직진차로(111a)와 2개차선의 ①③방향의 좌회전차로(111b)가 설치되어 있다.The entrance upwardpath 111 of themain roadway 1 is provided with astraight lane 111a in the direction of ①② in four lanes and aleft turn lane 111b in the direction of ③③ in two lanes.

상기 주도로(1)의 진출상행로(112)는 4개차선의 ①②방향의 직진차로(112a)와 1개차선의 ③②방향의 좌회전진입차로(112b)가 설치되어 있다. 상기 진출상행로(112)의 직진차로(112a)와 좌회전진입차로(112b)사이에는 차로가 구별되어 차량들의 충돌을 방지하는 차로분리수단(112c)이 일정길이가 설치되어 있다.The advancing uproad 112 of themain roadway 1 is provided with astraight lane 112a in the direction of ①② of four lanes and a left turn-entry lane 112b in the direction of ② of one lane. The lane separation means 112c is provided between thestraight lane 112a and the left turn-entry lane 112b of the entry andexit path 112 to prevent collision of vehicles.

상기 주도로(1)의 진출상행로(112)는 총 5개의 차선이 설치되어 있다.A total of five lanes are installed in theupward path 112 of themain road 1.

상기 교행로(3)상에는 차량의 상충을 방지하기 위한 삼각형의 안전지대(31)가 설치되어 있다.On theintersection 3, atriangular safety zone 31 is installed to prevent a vehicle conflict.

상기 차로분리수단(112c)은 차량상충방지를 위한 안전지대표시나 가이드레일, 표지병 또는 탄력봉과 같은 차로분리수단이 설치되며 차로분리수단(112c)의 전방에는 야간표식을 위하여 점멸등과 충격흡수시설이 설치된다.The lane separation means 112c is provided with lane separation means such as a safety zone mark or guide rail, a marker bottle, or a resilient rod for preventing a vehicle conflict, and a flashing light and a shock absorbing facility are provided in front of the lane separation means 112c for night marking. Is installed.

도1b는 본 발명의 상기 제1실시예의 개선되기 전의 시민의 숲 삼거리의 도로의 평면도로서, 주도로(1)의 진출상행로(112)가 4개차선으로 좌회전진입차로와 직진차로가 구분되지 않은 상태로서, 본 발명의 제1실시예에서는 차로의 폭을 좁게하여 전체적인 도로의 폭이 넓혀지지 않고도 1개의 좌회전진입차로(112b)가 추가로 설치되고 차로분리수단(112c)이 설치되어 있다.FIG. 1B is a plan view of the road of the Citizen's Forest Intersection before the improvement of the first embodiment of the present invention, in which the advancing uproad 112 of themain road 1 is divided into four lanes and the left turn entrance lane and the straight lane are not divided. In the first embodiment of the present invention, one left turn-entry lane 112b is additionally provided and the lane separation means 112c is provided without narrowing the width of the lane so that the overall width of the lane is widened.

따라서, 종래에는 주도로(1)의 ①②방향의 직진신호와 ②①방향의 직진신호와 횡단보도(B2)의 신호가 켜지는 1현시신호와, ①③방향의 좌회전신호와 횡단보도 (B1)의 신호가 켜지는 2현시신호와, ③②방향의 좌회전신호가 켜지는 3현시신호체계로 구성되어 있었다. 따라서, 3현시시에는 ③②방향의 좌회전신호만 진행되고 ①②직진신호는 정지되어 있으므로, 차량이 많은 ①② 방향의 차량이 정체되므로 항상 3지교차로에서는 차량의 지정체가 이루어지는 혼잡상황이 발생되곤 하였으며 좌회전차량과 직진차량과의 충돌도 빈번하게 발생되는 문제점이 있었다. 상기의 양재 시민의 숲 삼거리의 통행량을 측정한 결과 신호주기를 160초로하고 1현시 79초 2현시 49초초 3현시 23초를 준 결과 시간당 6774대가 통과되며 차량당 삼거리를 통행하는 지체시간은 대당 131.6 초가 소요되었다. 그러나, 본 발명의 제1실시예에서는 ①②방향의 직진신호와 ②①방향의 직진신호와 부도로의 횡단보도(B2)의 신호가 켜지는 1현시신호를 길게하면서 제1현시신호중에 ②① 방향의 직진신호와 부도로의 횡단보도(B2)의 신호를 정지시키고 ①② 방향의 직진신호를 계속주면서 차량을 통과시키고 ③②방향의 좌회전진입신호를 주어 ③②방향의 좌회전신호를 주어 부도로(2)상의 차량을 좌회전시키므로 주도로(1)의 상행로(111)의 직진차량과 부도로(2)의 좌회전차량이 동시에 통행하게 되므로서 제1현시신호중에 종래의 3현시신호가 동시에 진행되는 것과 같은 효과가 있게 되는 것이다. 이와 같이하여 제1현시신호가 종료되고, ①③방향의 좌회전신호와 주도로의 횡단보도(B1)의 신호가 켜지는 2현시신호가 발현되고 일정시간 경과후에 종료되면, 다시 제1현시신호가 발현되게 되므로, 실질적으로는 종래의 3현시 신호체계에서 2현시 신호체계로 변환되게 되므로 교차로의 전체신호주기가 단축되므로 차량의 통행속도가 월등하게 향상되게 되는 것이다. 종래의 교차로와 신호체계에서는 상기의 양재 시민의 숲 삼거리의 통행 량을 측정한 결과 시간당 6774대가 통과되며 차량당 삼거리를 통행하는 지체시간은 대당 131.6 초가 소요된 것에 비하여 본발명의 교차로와 신호체계를 적용한 1현시 37초 2현시 33초 3현시 31초로 110초를 신호주기를 주어시뮬레이션의 결과 지체시간은 대당 17.5대로 대당 114.1초의 개선효과가 있는 것으로 분석되었다.Therefore, in the related art, a signal of 1 direction in which the straight signal in thedirection ①② of themain road 1 and the signal of the crosswalk B2 and the signal of the crosswalk B2 are turned on, the left turn signal in the direction of ①③, and the signal of the crosswalk B1 are turned on. It consisted of two manifestation signal which turns on, and three manifestation signal which turns to the left turn signal indirection ③②. Therefore, at the time of three-time display, only the left turn signal in the direction of ② ② proceeds and the ① ② straight signal stops. Therefore, the vehicle in the direction of ② ② with a lot of vehicles is congested. There was also a problem of frequent collision with the straight vehicle. As a result of measuring the traffic volume of the forest three-way street of Yangjae citizen, the signal cycle was 160 seconds, and 1,79, 79, 2,49, and 3, 23 seconds, respectively, passed 6774 vehicles per hour, and the delay time of passing three streets per vehicle was 131.6. It took seconds. However, in the first embodiment of the present invention, the 1st direction signal in which the straight signal in thedirection ①② and the straight signal in thedirection ②① and the signal of the crosswalk B2 on the negative road are turned on is extended while the first direction signal is moved in thedirection ②①. Stop the signal on the crosswalk (B2) between the signal and the secondary road, pass the vehicle while continuing the straight signal in the direction of ①②, give the left turn entrance signal in the direction of ③②, and give the left turn signal in the direction of ③② to stop the vehicle on the secondary road (2). Since the left turn vehicle of the uproad 111 of the main road (1) and the left turn vehicle of the sub-road (2) to pass at the same time, so that the conventional three manifestation signal proceeds simultaneously among the first manifestation signal. Will be. In this way, the first manifestation signal is terminated, and the two manifestation signals in which the left turn signal in the direction of ③ and the signal of the crosswalk B1 on the main road are turned on are expressed, and when the expression is finished after a certain time, the first manifestation signal is expressed again. Since it is substantially converted from the conventional three-way signal system to the two-way signal system, the overall signal cycle of the intersection is shortened, so that the vehicle's passage speed is significantly improved. In the conventional intersections and signaling systems, the result of measuring the amount of traffic on the three-way forest of Yangjae citizens was 6774 vehicles per hour, and the delay time of three-vehicle traffic was 131.6 seconds per vehicle. As a result of applying the signal cycle of 110 seconds to 37 times of 1time 37 seconds, 2times 33 seconds, and 3times 31 seconds, the delay time was 17.5 units per unit, which was 114.1 seconds per unit.

도2a는 본 발명의 제2실시예에 따른 3지교차로의 개선안이 도시된 평면도이고, 도2b는 도2a의 3지교차로가 개선되기전의 교차로의 평면도이다. 도2실시예의 도로는 월곳IC삼거리의 도로로서, 개선된 교차로는 종래의 교차로에 비하여 3개의 좌회전진입차로(112b)가 추가로 설치되고 차로분리수단(112c)이 설치되어 있다. 이와 같은 구조적인 개선에 의하여 종래의 교차로와 신호체계에서는 상기의 월곳 IC삼거리의 통행량을 측정한 결과 시간당 9430대가 통과되며 차량당 삼거리를 통행하는 지체시간은 대당 342.4 초가 소요된 것에 비하여 본발명의 교차로와 신호체계를 적용한 시뮬레이션의 결과 지체시간은 대당 42.4대로 대당 300.0초의 개선효과가 있는 것으로 분석되었다.FIG. 2A is a plan view showing an improvement plan of a tri-section intersection according to a second embodiment of the present invention, and FIG. 2B is a plan view of an intersection before the tri-trip intersection of FIG. 2A is improved. The road of FIG. 2 is a road of Wolgot IC Intersection, and the improved intersection is further provided with three left turn-entry lanes 112b and lane separation means 112c as compared to the conventional intersection. As a result of this structural improvement, in the conventional intersection and signal system, 9430 vehicles per hour were passed as a result of measuring the amount of traffic at Wolgot IC three-way, and the delay time of traveling three-vehicle was 342.4 seconds per vehicle, compared to the intersection of the present invention. As a result of simulation using and signal system, it was analyzed that the delay time was 42.4 units per unit and 300.0 seconds per unit.

도3a는 본 발명의 제3실시예에 따른 3지교차로의 개선안이 도시된 평면도이고, 도3b는 도3a의 3지교차로가 개선되기전의 교차로의 평면도이다. 도3실시예의 도로는 동원아파트 삼거리의 도로로서, 개선된 교차로는 종래의 교차로에 비하여 1개의 좌회전진입차로(112b)가 추가로 설치되고 차로분리수단(112c)이 설치되어 있다. 이와 같은 구조적인 개선에 의하여 종래의 교차로와 신호체계에서는 상기의 동원아파트 삼거리의 통행량을 측정한 결과 시간당 8604대가 통과되며 차량당 삼거리를 통행하는 지체시간은 대당 227.8 초가 소요된 것에 비하여 본발명의 교차로와 신호체계를 적용한 시뮬레이션의 결과 지체시간은 대당 25.4대로 대당 202.5초의 개선효과가 있는 것으로 분석되었다.FIG. 3A is a plan view showing an improvement plan of a tri-section intersection according to a third embodiment of the present invention, and FIG. 3B is a plan view of an intersection before the tri-trip intersection of FIG. 3A is improved. The road of FIG. 3 is a three-way road in Dongwon Apartment, and an improved intersection is further provided with one left turn-entry lane 112b and a lane separating means 112c as compared to a conventional intersection. As a result of this structural improvement, in the conventional intersection and the signal system, as the result of measuring the traffic volume of the three-way intersection of Dongwon Apartment, 8604 vehicles were passed per hour, and the delay time of traveling three distances per vehicle was 227.8 seconds per vehicle. As a result of the simulation with and signal system, the delay time was 25.4 units per unit, which was 202.5 seconds per unit.

이상과 같이 본 발명에 따른 3지교차로 및 3지교차로의 신호제어방법은 부도로의 좌회전교통류의 진행시 같은 방면의 주도로도 직진통행이 가능하게 되어 주도로의 소통을 원활하게 하므로서 3지교차로의 교통류의 처리용량이 향상되고 교차로의 전체신호주기가 단축되어 차량 통행속도가 향상되는 효과가 있다.As described above, the signal control method of the three-road intersection and the three-road intersection according to the present invention enables the straight road to be driven even in the same direction when the left turn traffic flows on the secondary road, thereby facilitating the communication of the main road. This improves the traffic capacity of traffic flows and shortens the overall signal cycle at intersections, thereby improving the traffic speed.

Claims (4)

Translated fromKorean
①②방향의 상행로와 ②①방향의 하행로를 갖는 주도로와, 상기 주도로에 직각에 가깝게 교차되며 ③②방향의 좌회전차로를 갖는 부도로로 이루어지고, 상기 주도로의 상행로는 부도로와의 교차되며 통행하는 차량들의 교행로를 중심으로 교행로내로 진입되는 진입상행로와 교행로를 벗어나는 진출상행로로 구분되고, 상기 주도로의 하행로는 교행로를 중심으로 교행로내로 진입되는 진입하행로와 교행로를 벗어나는 진출하행로로 구분된 3지교차로에 있어서, It is composed of a main road having an upward path in the direction of ①② and a downward path in the direction of ②①, and a sub-road having a left turn lane in the direction of ③② close to the right angle to the main road, and the upward path of the main road is connected to the secondary road. It is divided into an entrance ascending road that crosses and crosses a traffic lane, and an ascending way that leaves the intersection, and the descending path of the main road enters into an intersection as a center. In the three-way intersection divided into the exit and the downward passage away from the road and the intersection,상기 주도로의 진입상행로는 복수개차선의 ①②방향의 직진차로와 ①③방향의 좌회전차로(111b)가 구분되게 독립적으로 설치되고,The uphill entry road of the main road is independently provided so that the straight lane in the direction of ①② and the left turning lane 111b in the direction of ③③ are separately distinguished.상기 주도로의 진출상행로는 상기 진입상행로와 대응되는 복수개차선의 ①②방향의 직진차로와 ③②방향의 좌회전진입차로(112b)가 구분되게 독립적으로 설치된 것을 특징으로 하는 3지교차로The three-way intersection, characterized in that the advancing up road to the main road is independently installed so that the straight lane in the direction ①② of the plurality of lanes corresponding to the entry lane and the left turn entrance lane 112b in the direction of ③② are separated.제1항에 있어서,The method of claim 1,상기 진출상행로의 직진차로와 좌회전진입차로사이에는 차로가 구별되어 차량들의 충돌을 방지하는 차로분리수단(112c)이 일정길이가 설치되어 있는 것을 특징으로 하는 3지교차로The three-way intersection, characterized in that the lane separation means 112c is provided between the straight lane and the left turn-entry lane of the entry upward path to prevent collision of vehicles.제2항에 있어서,The method of claim 2,상기 차로분리수단은 차량상충방지를 위한 안전지대표시나 가이드레일, 표지병 또는 탄력봉중에서 선택되며, 상기 차로분리수단의 전방에는 야간표식을 위하여 점멸등과 충격흡수시설이 설치된 것을 특징으로 하는 3지교차로The lane separation means is selected from a safety zone mark or a guide rail, a marker bottle, or a resilient rod for preventing a vehicle conflict, and the front of the lane separation means is provided with a three-way intersection, wherein a flashing light and a shock absorbing facility are installed for night marking.제1항에 의한 3지교차로에서 ①②방향의 직진신호와 ②①방향의 직진신호와 부도로의 횡단보도의 통과신호가 켜지는 1현시신호를 길게하면서 제1현시신호중에 ②① 방향의 직진신호와 부도로의 횡단보도의 통과신호를 정지시키고 ①② 방향의 직진신호를 계속주면서 차량을 통과시키고 ③②방향의 좌회전진입신호를 주어 ③②방향의 좌회전신호를 주어 부도로(2)상의 차량을 좌회전시키므로 주도로(1)의 상행로의 직진차량과 부도로의 좌회전차량이 동시에 통행하게 되므로서 제1현시신호와, ①③방향의 좌회전신호와 주도로의 횡단보도의 신호가 켜지는 2현시신호가 발현되고 일정시간 경과후에 종료되면, 다시 제1현시신호가 발현되게 제어되는 것을 특징으로 하는 3지교차로의 신호제어방법.In the three-way intersection according to claim 1, the straight signal in the direction of ① and the direction of ② ① in the first manifestation signal are lengthened while the one-time signal in which the straight signal in the direction of ② and the straight signal in the direction of ① and the passage signal of the crosswalk to the secondary road are turned on. Stop the passing signal of the crosswalk to the road, pass the vehicle while continuing the straight signal in the direction of ①②, give the left turn entrance signal in the direction of ③②, and turn left the vehicle on the sub-road (2) by giving the left turn signal in the direction of ②. As the straight ahead vehicle on the uphill road and the left turn vehicle on the secondary road pass simultaneously, the first manifestation signal, the two-turn signal in which the left turn signal in the ① ③ direction and the crosswalk signal on the main road are turned on, When the process is terminated after the elapsed time, the first manifestation signal is controlled to be expressed again.
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