Transport Department says tolls should remain flexible because queues amid some peak periods still spill onto connecting roads, non-tunnel lanes.

Transport Department says tolls should remain flexible because queues amid some peak periods still spill onto connecting roads, non-tunnel lanes.

Traffic at Western Harbour Crossing jumps 34 per cent to 116,900 vehicles daily, while Cross-Harbour and Eastern Harbour crossings see declines of 9 and 8 per cent, respectively.