❓ Hon Jim Scott asks about the afternoon peak hour Level of Service (LOS) in the Northbridge tunnel. The answer predicts LOS E for both westbound and eastbound directions in 2010, with plans for a three-lane configuration after 2010.
AnsweredQoN 2480Legislative Council
QuestionView source ↗
(b) afternoon peak hour?
(b) afternoon peak hour?
(b) afternoon peak hour?
(b) afternoon peak hour?
(b) afternoon peak hour?
(b) afternoon peak hour?
(b) afternoon peak hour?
AnswerView source ↗
Answered
11 November 2004
Responded by
Parliamentary Secretary representing the Minister for Planning and Infrastructure
Response time
23 days
Level of Service (LOS) E is described as " Traffic volumes are at or close to capacity. There is little freedom to select speed or to manoeuvre within the traffic stream. Longer peak periods, of one hour or more, start to appear. Minor disturbances may cause flow breakdown ". (3) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel westbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and entering LOS F for short periods. LOS F is described as " Traffic volumes are very heavy and exceed capacity. Breakdown in traffic flow occurs with long queues and delays ". (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel westbound in the afternoon peak, based on the current two lane configuration, is LOS E. (4) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and approaching LOS F for short periods. (4) (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the afternoon peak, based on the current two lane configuration, is LOS E. (5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
(3) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel westbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and entering LOS F for short periods. LOS F is described as " Traffic volumes are very heavy and exceed capacity. Breakdown in traffic flow occurs with long queues and delays ". (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel westbound in the afternoon peak, based on the current two lane configuration, is LOS E. (4) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and approaching LOS F for short periods. (4) (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the afternoon peak, based on the current two lane configuration, is LOS E. (5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
LOS F is described as " Traffic volumes are very heavy and exceed capacity. Breakdown in traffic flow occurs with long queues and delays ". (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel westbound in the afternoon peak, based on the current two lane configuration, is LOS E. (4) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and approaching LOS F for short periods. (4) (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the afternoon peak, based on the current two lane configuration, is LOS E. (5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
(b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel westbound in the afternoon peak, based on the current two lane configuration, is LOS E. (4) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and approaching LOS F for short periods. (4) (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the afternoon peak, based on the current two lane configuration, is LOS E. (5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
(4) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and approaching LOS F for short periods. (4) (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the afternoon peak, based on the current two lane configuration, is LOS E. (5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
(4) (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the afternoon peak, based on the current two lane configuration, is LOS E. (5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
(5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
(3) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel westbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and entering LOS F for short periods. LOS F is described as " Traffic volumes are very heavy and exceed capacity. Breakdown in traffic flow occurs with long queues and delays ". (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel westbound in the afternoon peak, based on the current two lane configuration, is LOS E. (4) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and approaching LOS F for short periods. (4) (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the afternoon peak, based on the current two lane configuration, is LOS E. (5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
LOS F is described as " Traffic volumes are very heavy and exceed capacity. Breakdown in traffic flow occurs with long queues and delays ". (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel westbound in the afternoon peak, based on the current two lane configuration, is LOS E. (4) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and approaching LOS F for short periods. (4) (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the afternoon peak, based on the current two lane configuration, is LOS E. (5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
(b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel westbound in the afternoon peak, based on the current two lane configuration, is LOS E. (4) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and approaching LOS F for short periods. (4) (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the afternoon peak, based on the current two lane configuration, is LOS E. (5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
(4) (a) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the morning peak, based on the current two lane configuration, is at the upper limit of LOS E and approaching LOS F for short periods. (4) (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the afternoon peak, based on the current two lane configuration, is LOS E. (5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
(4) (b) The predicted Level of Service (LOS) in 2010 in the Northbridge tunnel eastbound in the afternoon peak, based on the current two lane configuration, is LOS E. (5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
(5)-(6) The tunnel was planned for and constructed to accommodate three traffic lanes in each direction. It was always envisaged that the three-lane configuration would be implemented sometime after 2010 in conjunction with programmed asphalt resurfacing works on approach roads to the tunnel.
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