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All Journal Progressive : Journal of Advanced Engineering and Technology
Gusmulyani Gusmulyani
Program Studi Teknik Sipil, Fakultas Teknik, UM Sumatera Barat
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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PENGARUH GERAK U-TURN TERHADAP KINERJA LALU LINTAS DI JALAN SOEKARNO-HATTA KOTA PAYAKUMBUH Viki Abrinanda; Gusmulyani Gusmulyani; Zuheldi Zuheldi
Progressive Journal of Advanced Engineering and Technology Vol 1, No 1 (2026): Vol 1 No 1 Januari 2026
Publisher : Progressive : Journal of Advanced Engineering and Technology

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Abstract

On a micro basis, there are several efforts to minimize the problem of traffic movement, especially on the safety and comfort on the road, which can be done by installing a median to separate the traffic flow in opposite directions. In planning the median, it is necessary to prepare a median opening that allows the vehicle to change the direction of travel in the form of a reversal movement or termed a U-Turn movement. One of the effects when doing a U-Turn is the speed of the vehicle where the vehicle will slow down and stop. This slowdown will affect traffic flow in the same direction, this circular movement will cause high traffic volume, lower vehicle speed, and higher density on the road. The author took the research location on roads in the West Payakumbuh District, Payakumbuh City, West Sumatra Province which dotted on the Soekarno-Hatta road section, Parit Rantang Payakumbuh City.The purpose of this study is to determine the performance of the road segment and the level of road service equipped with U-Turn facilities, analyze the average travel time of vehicles performing U-Turn, vehicle speed when performing U-Turn and queue lengths for U-Turn activities. To achieve this goal, the 2014 PKJI method was used. From the results of this study, it was found that the average travel time of the largest vehicle when making a u-turn was 12.68 seconds with a vehicle speed of 1.25 km/hour, with a queue when doing a u-turn of 50 meters. With service level C.Keywords: U-turn, travel time, speed, queue, level of service 
TINJAUAN PERENCANAAN PERKERASAN LENTUR JALAN RUAS LUBUK SIKAPING - TALU ( P 096 ) Suharmen Suharmen; Surya Eka Priana; Jon Hafnil; Gusmulyani Gusmulyani
Progressive Journal of Advanced Engineering and Technology Vol 1, No 2 (2026): Vol 1 No 2 Mei 2026
Publisher : Progressive : Journal of Advanced Engineering and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.67235/pjaet.v1i2.13

Abstract

The road is one of the important transportation infrastructure for people's lives. With the construction of this road, it is hoped that it will increase and accelerate the distribution of agricultural, plantation and basic needs for the surrounding community. Road pavement is a construction that is built on a subgrade layer of soil, there are layers of the upper foundation and subbase where each layer consists of compacted aggregates which function to distribute the tension due to the wheel load. There are 3 road pavements, Flexible Pavement, Rigid Pavement, Composite Pavement. Rigid pavement combined with flexible pavement can be in the form of flexible pavement on rigid pavement, or rigid pavement on flexible pavement.To determine the thickness of the flexible pavement, several methods were used, including in this study using the 1987 Bina Marga Component Analysis Method and the 1993 AASTHO Method, the research location for Jalan Lubuk Attitude - Talu.The results of the 1987 Highways Component Analysis Method for new road pavement obtained for the surface layer (D1) which is 10 cm, the upper foundation layer (D2) is 20 cm and the lower layer (D3) is 36.67 cm. And the results of the 1993 AASTHO Pavement Layer method for new road pavements are obtained for the surface layer (D1) 18.86 cm, the top foundation layer (D2) of 19.53 cm and the layerKeywords: Road Pavement, 1987 Bina Marga Component Analysis Method, 1993 AASTHO Method
Co-Authors Jon Hafnil Suharmen Suharmen Surya Eka Priana Viki Abrinanda Zuheldi Zuheldi