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Jianglan Tunnel|Tseung Kwan O Tunnel The reduction in busy traffic flow still exceeds the design capacity and the diversion effect is less than expected

2023-01-11T05:43:39.198Z


The opening of the Tseung Kwan Tunnel and the Tseung Kwan O Cross Bay Bridge to traffic today (11th) is a "full moon". How does it affect the traffic relief in Tseung Kwan O? The Secretary for Transport and Logistics, Lam Sai-hung, revealed in a written response to questions from the Legislative Council that Tseung Kwan O


The opening of the Tseung Kwan Tunnel and the Tseung Kwan O Cross Bay Bridge to traffic today (11th) is a "full moon". How does it affect the traffic relief in Tseung Kwan O?

The Secretary for Transport and Logistics, Lam Sai-hung, revealed in a written response to the question of the Legislative Council that the traffic flow of the Tseung Kwan O Tunnel has decreased by about 9% to 22% on weekdays compared with the 30 days before the opening of the new road; during the same period, the traffic flow of the Blue Tunnel has been diverted by 15% to 29%. Vehicles.


Checking the data, Lin Shixiong was confident that the Blue Tunnel could divert 30% to 40% of the traffic flow, but the diversion capacity on weekdays did not meet expectations.

In addition, the Tseung Kwan O Tunnel will still exceed the designed capacity of 2,600 vehicles during morning and evening peak hours.


▼The Blue Tunnel and the Tseung Kwan O Cross Bay Bridge will be officially opened to traffic on December 11▼


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The old will reduce the traffic flow of tunnels by 9% to 22%

The Jianglan Tunnel will be opened to traffic on December 11, 2022. Member of the Legislative Council of the Democratic Alliance for the Betterment of Hong Kong, Gan Wenyu, submitted a written question about the traffic volume of the Tseung Kwan O Tunnel and the Jianglan Tunnel after the opening.

According to the data provided by Lin Shixiong in his reply, from December 11 to 31, 2022, from 7 am to 9 pm on weekdays, there will be 1,502 to 2,670 vehicles per hour in the direction of Kowloon from the old Jiangxi Tunnel, and the busiest hour is 8 am. From 9:00 am to 9:00 pm; compared with the 30 days before the opening to traffic, the traffic flow has decreased by 9% to 22%.



In the direction of Tseung Kwan O, there are 1,957 to 2,886 vehicles during the above-mentioned period, and the busiest time is from 6 to 7 in the evening, which is 11% to 22% less than before the opening to traffic.

According to the data, the designed flow rate of the Tseung Kwan O Tunnel is 2,600 vehicles per hour for the east and west, but there are 2,670 vehicles in the direction of Kowloon from 8 am to 9 am on weekdays; and 2,664 to 2,886 in the direction of Tseung Kwan O from 5 pm to 7 pm The number of sorties, that is, some time periods still exceed the design capacity by more than 280 sorties.

The maximum two-way flow of the Blue Tunnel is 950 vehicles

As for Jianglan Tunnel, on weekdays, the direction of Kowloon is 467 to 880 vehicles per hour; the direction of Tseung Kwan O is 375 to 950 vehicles per hour.

In other words, the traffic volume of the old Chiang Tunnel can be three to five times that of the Jianglan Tunnel.

▼The Blue Tunnel will be officially opened to traffic on December 11, and citizens will use the bridge’s sidewalks and cycle paths▼


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Weekday shunting effect is worse than expected

In terms of diversion effect, Lin Shixiong once said that he is confident that the Blue Tunnel can divert 30% to 40% of the traffic flow in the tunnel.

However, within the above time period, the diversion capacity of the Blue Tunnel in the direction of Kowloon was 22% to 29%; the direction to Tseung Kwan O was only 15% to 25%, which fell short of expectations.

On weekends and public holidays, traffic diversion is more effective, reaching 19% to 34% in the direction of Kowloon; and 17% to 31% in the direction of Tseung Kwan O, some of which are in line with expectations.

▼At 8 am on December 12th, the Tseung Kwan O Tunnel exits the Kowloon car-free lane▼


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Congestion in old Jiang Tunnel improved during rush hour

Lin Shixiong replied to the Legislative Council that the operation of the two tunnels has been generally smooth since it was opened to traffic. Among them, the Tseung Kwan O Tunnel Road and the Environmental Protection Road to the Tseung Kwan O Tunnel have significantly improved the congestion during peak hours. In the past, there were traffic queues on the above roads and their connecting roads has been greatly shortened.

As for Kwun Tong District, he pointed out that the traffic flow on Cha Kwo Ling Road and Wai Yip Street/Wai Fat Road intersection has increased, but the traffic operation is still generally smooth.

Jianglan Tunnel|Tseung Kwan O Tunnel was not congested at the roundabout on the first working day after work Better than expected The police issued tickets to 15 traffic jammers. The Lan Tunnel|01 Measured that the new bus line in Tseung Kwan O is 1 minute faster and the tunnel is free and saves 4 minutes. return car

Source: hk1

All news articles on 2023-01-11

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