The cable tunnel between Pandan Terminal Building and Seraya Terminal Building is an essentially straight land cable tunnel with no further deviations throughout the 2.7km tunnel with 2 bores except the inclusion of vertical tunnel shafts at each end. It is located between Pandan Terminal Bld. and Seraya Terminal Bld.

Each tunnel bore has 4 sets of cables which are fire-rated, oil-filled, sand packed and below the walkway but one set of cable is above ground but fire-rated, oil-filled and sand packed as well.