Civil Engineering Dimension
Vol. 23 No. 2 (2021): SEPTEMBER 2021

Empirical Analysis for Measuring Travel Time Reliability on Road Network

Muhammad Karami (Universitas Lampung)
Dwi Herianto (Universitas Lampung)
Siti A. Ofrial (Universitas Lampung)
Ning Yulianti (Mahasiswa Program Studi S1 Teknik Sipil Universitas Lampung)



Article Info

Publish Date
05 Oct 2021

Abstract

This research analyses the characteristics of travel time reliability for the road network in Kota Bandar Lampung. Therefore, travel time consists of access, wait and interchange time, while its reliability deals with variations of in-passenger/private cars time. Survey of travel time on each road was carried out for 12 hours (from 06.00 to 18.00) for five working days. Furthermore, the buffer time method was used to measure the characteristics of time travel reliability consisting of five measuring tools, namely planning time, planning time index, buffer time, buffer time index and travel time index. This research found that the temporal effects are the main factor that tends to affect travel time, whereas network effects are the second factor that tends to affect travel time. Furthermore, the regression equation was developed to express the effect of planning time (TPlan) and free-flow travel time on average travel time .

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