Persimpangan merupakan suatu bagian jalan yang menjadi pusat pertemuan dari berbagai pergerakan arus lalu lintas. Pada tipe simpang tak bersinyal, sering dijumpai titik-titik konflik arus lalu lintas yang mengakibatkan kemacetan arus lalu lintas terutama pada jam-jam sibuk. Contoh kasus terdapat di Kabupaten Pandeglang terjadi pada persimpangan Jl. Raya Pandeglang - Jl. AMD Lintas Tim. – Jl. Raya Pandeglang. Lokasi ini dipilih karena pada simpang ini tidak terdapat traffic light dan sering terjadinya kemacetan yang disebabkan oleh titik-titik konflik arus lalu lintas yang tidak teratur pada saat jam sibuk, disekitar jalan pada simpang ini juga merupakan kawasan sekolah, pemukiman, dan juga pertokoan atau komersial. Berdasarkan permasalahan tersebut, dilakukan perhitungan dan analisis data untuk mengetahui kinerja simpang tak bersinyal, kondisi lapangan berdasarkan pedoman MKJI 2017, dan didapat nilai volume tertinggi pada hari minggu sore yaitu mencapai 4997 kend/jam, dengan nilai derajat kejenuhan 1,149 > 0,85, nilai tundaan lalu lintas mencapai 26,54 det/skr, TLLma sebesar 5,72 det/skr, TLLmi sebesar 11,88, tundaan geometrik 4 det/skr, tundaan simpang sebesar, serta kisaran peluang antrian sebesar 28,85 – 28,30%.Kata kunci: Persimpangan, Simpang Tak Bersinyal, MKJI 2017

The emergence of criteria made by the Minister of Religion of Brunei, Indonesia, Malaysia and Singapore (MABIMS) in the determination of the beginning of the Islamic month which was the result of the meeting of the Southeast Asian ministers of religion, namely Brunei Darussalam, Indonesia, Malaysia and Singapore which was first held in 1989 in Brunei. The meeting discussed cooperation in the field of hisab ru'yat between the four countries. In Indonesia, the MABIMS criterion is better known as the hisab imkān al-ru'yah method and was discussed for the first time in 1998 in March by hisab and ru'yat experts and representatives of Islamic social organizations -such as Muhammadiyah, NU, Persis, Al-Ershad and others. The deliberation that took place on September 28, 1998 resulted in a decision on 8 criteria for MABIMS in Indonesia. However, in reality the Indonesian government is considered inconsistent with the application of the MABIMS Criteria. According to the initial assumption, Indonesian researchers sometimes prefer the use of rukyat rather than using the MABIMS criteria reckoning. Meanwhile, Brunei Darussalam was impressed with Indonesia when it applied the MABIMS criteria inconsistently, because Brunei Darussalam only applied the MABIMS Criteria reckoning in the determination of the beginning of the Islamic month apart from Ramadan, Shawwal and Dzulhijjah. This research is a normative type of research using a qualitative approach, using primary and secondary data in the study. This research resulted in: First, the two countries only apply in the months other than Ramadan, Syawal and Dzulhijjah, while the determination of the first three months of Islam uses the guidelines of rukyatul hilal. Second, in terms of the validity of the application of the MABIMS Criteria in Indonesia and Brunei Darusslam according to fiqh and astronomy, it is permissible to use the approach of observational data or rukyatul hilal in the field.

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