Kampong Java Tunnel is one of the two tunnels of the Central Expressway
. It is located in the central part of Singapore
; it starts before the exit of Cairnhill Circle and Clemenceau Avenue North (Exit 5) and ends at the exit of Bukit Timah
Road (Exit 6). The tunnel runs alongside Cavenagh Road and, after passing the junction of Bukit Timah Road
and Cavenagh Road, becomes an above ground expressway on Kampong Java Flyover. Before entering the tunnel towards the south, there is an exit to Bukit Timah Road via Cavenagh Road. After leaving the tunnel (northbound), there is an exit from the Bukit Timah Road exit.