The increase in the number of traffic accidents due to increasing urban underpass tunnels necessitate a better investigation drivers’ visual characteristics when entering tunnels. A total 20 drivers were gathered perform real vehicle experiment an tunnel. saccade angle, frequency, and fixation time selected as research indexes. tunnel entrance was divided into five sections, namely external str...

Before 2020, Kentungan is the one of densest intersections in Yogyakarta. This intersection important due to it connected with all primary roads across level authority. Therefore, this will be modified form an unpassed (underpass). The purpose study explore model unconventional Partial Cloverleaf B2 (Parclo B2), thus that can optimized traffic performance and safety. method used use a software ...

Ground surface settlement under subway tunnel construction is one of the main sources urban ground settlement, which may threaten safety existing buildings. Therefore, it necessary to study influence on and stability subsidence. In current study, originating from operation a tunnel-boring machine (TBM) while excavating double-line that underpasses buildings studied. To this end, numerical simul...