Abstract
The annual increasing use of motorized vehicles requires improvements in infrastructure to support the reliability of urban transport systems in Surakarta City. The Government of Surakarta City has attempted to improve the infrastructure of the Gilingan Viaduct by creating an underpass. The traffic performance of the model developed is analysed using Indonesian Capacity Manual 1997 (IHCM 1997). The result shows that the development of the Gilingan Underpass has a potential to improve the performance of Jenderal Ahmad Yani road and the performance of the Balapan and Cengklik Intersections. The change of public transport routes of goods (freight) and people to Jenderal Ahmad Yani road has an opportunity to reduce acute congestion at the Joglo Intersection and decrease the accident rate in Monginsidi road.
Highlights
Transportation is the lifeblood of a city's economy; the reliability of a transportation system is very important
This study aims to determine the performance of traffic in the study area on the existing condition and after the development of the Gilingan Underpass in order to measure the impact of its development
The development of the Gilingan Underpass improves the performance of Jenderal Ahmad Yani road and the performance of Balapan Intersection and Cengklik Intersection
Summary
Transportation is the lifeblood of a city's economy; the reliability of a transportation system is very important. One of the transportation infrastructures in Surakarta City that needs improvement in its performance is the Gilingan Viaduct located on Jenderal Ahmad Yani road. The existence of the Gilingan Viaduct potentially creates traffic jams, especially on Jenderal Ahmad Yani road and generally in heavy roads (freight routes) in Surakarta City. The bus route was diverted through Monginsidi road, while large-capacity trucks were diverted through Joglo Intersection via Ki Mangun Sarkoro road. This has a negative impact on the smoothness and safety of the traffic (see Figures 1a and 1b). Apart from that, the route plan for public transport corridor 4 Batik Solo Trans passing through Jenderal Ahmad Yani road will be affected in its performance [1, 2].
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