Evaluation of a Newly Planned Intersection with Micro-Simulation

Öz

The number of vehicles registered to traffic in Erzurum is 114,044 according to the data of 2017 (TUIK). Erzurum is one of the largest cities in the Eastern Anatolia Region. At the same time, as it is one of the attraction centers of the region, the seasonal increase in the number of vehicles is by 17.61%. Although this number increases by an average of 2.8% each year, the capacities of existing roads remain constant. This result leads the current roads to become inadequate, and along with an increase in traffic density, the travel time, delays, exhaust emissions and fuel consumption are increased. In addition, recent studies have shown that approximately 52% of the traffic accidents occurred in urban centers in Turkey occur at the junctions.In this study, the effect of a junction planned by the 12th Regional Directorate of Highways on the environmental and regional traffic was investigated. The planned junction is on the Erzurum-Bingöl state road and the point connecting Atatürk University Campus to this road. The current and new situation are modelled on the VISSIM micro-simulation program and the travel time, delay, queue lengths, CO, NOx, VOC and fuel consumption are compared with each other. According to the micro-simulation analyses results, a reduction of 35% for travel time and delays, 83% for queue lengths and 23% for exhaust emissions were observed.

Anahtar Kelimeler

• Exhaust Emissions,Junction,Micro-Simulation,Traffic Management

Yeni Yapılması Planlanan bir Kavşağın Mikro-Simülasyon ile Değerlendirilmesi

Öz

Erzurum’da trafiğe kayıtlı araç sayısı 2017 yılı (TUİK) verilerine göre, 114.044’tür. Erzurum, Doğu Anadolu Bölgesinin en büyük şehirlerinden biridir. Aynı zamanda, bölgenin cazibe merkezlerinden biri olduğu için, araç sayısındaki mevsimsel artış% 17.61'dir. Bu sayı her yıl ortalama %2,8 artmasına rağmen, mevcut yolların kapasiteleri sabit kalmaktadır. Bu sonuç, yolların yetersiz kalmasına neden olmakta, trafik yoğunluğunun artmasıyla birlikte, seyahat süresi, gecikme ve egzoz emisyonlarının artmasını da beraberinde getirmektedir. Buna ek olarak, yapılan araştırmalar, Türkiye’de şehir merkezlerinde meydana gelen trafik kazalarının yaklaşık %52’sinin kavşaklarda meydana geldiğini göstermektedir. Bu çalışmada, Karayolları 12. Bölge Müdürlüğü tarafından yapılması planlanan bir kavşağın çevre ve bölge trafiğine etkisi araştırılmıştır. Yapılması düşünülen kavşak, Erzurum-Bingöl devlet yolu üzerinde ve Atatürk Üniversitesi Kampüsünü bu yola bağlayan nokta üzerindedir. Mevcut ve yeni durum, VISSIM mikro-simülasyon programı ile modellenmiş ve seyahat süresi, gecikme, kuyruk uzunlukları ile CO, NOx, VOC ve yakıt tüketimleri karşılaştırılmıştır. Mikro-simülasyon analiz sonuçlarına göre, seyahat süresi ve gecikmelerde %35, kuyruk uzunluklarında %83, egzoz emisyonlarında ise yaklaşık %23’e varan oranlarda azalma gözlenmiştir.

Anahtar Kelimeler

• Kavşak,Mikro-simülasyon,Trafik yönetimi,Egzos Emisyonları

Kaynakça

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