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Jianglan Tunnel|Traffic flow is less than half of the design volume, the diversion is less than expected

2023-02-10T11:27:01.998Z


It will be two months since the opening of the Blue Tunnel and the Cross-Bay Link to tomorrow (11th). According to the documents of the Bureau of Transport and Logistics, the peak hours of the first month of the opening of the Blue Tunnel recorded 932 to 1,051 vehicles per hour, which is less than the design flow 2, 8


It will be two months since the opening of the Blue Tunnel and the Cross Bay Link to traffic tomorrow (11th). According to the documents of the Transport and Logistics Bureau, the peak hours of the first month of the opening of the Blue Tunnel recorded 932 to 1,051 vehicles per hour, which is less than the designed flow of 2,800 vehicles. In the first month, a total of 22% to 28% of the traffic flow of the Tseung Kwan O Tunnel was diverted, that is, it did not reach the goal of diverting 30% to 40% of the traffic flow expected by the director of the bureau, Lin Shixiong.

As for the Tseung Kwan O Tunnel, the traffic flow per hour in the direction of Kowloon in the tunnel still exceeds the designed 2,600 vehicles. Although the minimum average speed of the tunnel has improved from 10 to 30 kilometers per hour in the past, it still records a speed of 40 to 45 kilometers per hour, which is comparable to that Traveling at a speed of 70 kilometers per hour is a little distance.


However, the Bureau’s documents describe that the operation of the two tunnels is generally smooth after the opening of the Blue Tunnel. It is also said that the traffic congestion of the Tseung Kwan O Tunnel has been greatly improved in the past, and the five new bus routes are also operating smoothly. The special trips of cross-harbour tunnel buses in Jianglan Tunnel are expected to be tried out in March this year.


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


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Peak hours record a maximum of 1051 vehicles per hour, which is less than half of the designed traffic flow

The Transport and Logistics Bureau submitted a document to the Legislative Council Transport Panel today (10th) to explain the traffic diversion effect after the opening of the Blue Tunnel.

According to the document, in the first month of the opening of the Blue Tunnel, an average of more than 9,000 to 10,000 vehicles were recorded in the direction of Kowloon and Tseung Kwan O during the daytime, and 932 to 1,051 vehicles per hour were recorded during peak hours, which is less than half of the designed flow of 2,800 vehicles.

The traffic flow of Tseung Kwan O Tunnel is less than 30% to 40% expected

In terms of diversion effectiveness, based on daily traffic flow calculations, the Blue Tunnel diverts 27% and 28% of the traffic flow from the Tseung Kwan O Tunnel to Kowloon on weekdays and holidays, and 22% and 26% of the traffic flow to the direction of Tseung Kwan O; Based on the hourly traffic flow, the diversion ratios for Kowloon on weekdays and holidays are 27% and 31% respectively, and those for Tseung Kwan O are 24% and 28%.

Compare the daily average traffic flow of Blue Tunnel.

(Screenshot of Legislative Council documents)

Compare the average hourly traffic flow of Blue Tunnel.

(Screenshot of Legislative Council documents)

After checking the information, the Secretary for Transport and Logistics, Lam Sai-hung, once expressed confidence that after the opening of the Blue Tunnel, about 30% to 40% of the traffic flow of the Tseung Kwan O Tunnel can be diverted.

However, based on the current figures, most of the data have not reached the relevant targets. Only the evening peak hours in the direction of Kowloon during holidays exceed 30%, which shows that the effect of diverting traffic from the Blue Tunnel is not as expected.

Traffic flow in the Tseung Kwan O Tunnel has improved but still exceeds the design load on weekdays

The document also lists the congestion data of the Tseung Kwan O Tunnel, which is designed to have a traffic flow of 2,600 vehicles per hour. However, the data shows that the traffic flow of the Tseung Kwan O Tunnel has improved within one month of the opening of the Blue Tunnel, but the maximum traffic flow per hour on weekdays is towards Kowloon. In the morning, there are 2,739 sorties in the direction of Tseung Kwan O, and in the evening, there are 2,914 sorties, still exceeding the design load.

As for the holiday performance, it is still close to 2,600 vehicles. The document specifically pointed out that in the evening in the direction of Tseung Kwan O, the diversion effect of the traffic flow at the entrance of the Kwun Tong Tunnel is not obvious.

Minimum speed increased to over 40 kilometers per hour

The document also mentioned that after the opening of the Blue Tunnel in the Tseung Kwan O Tunnel, the minimum average speed during peak hours has been improved, from 10 to 30 kilometers per hour to 40 to 55 kilometers per hour.

However, according to data, the Tseung Kwan O Tunnel can travel at a speed of 70 kilometers per hour, which means that there is still room for improvement in tunnel congestion.

Bureau of Transportation: It will take time for traffic conditions to stabilize. The two tunnels are generally operating smoothly.

According to the Bureau, according to past experience, it usually takes two to three months for the traffic conditions near the newly opened traffic facilities to stabilize. The Transport Department has closely monitored the external traffic conditions in Tseung Kwan O in order to understand the diversion of traffic to the Blue Tunnel as soon as possible. effectiveness.

According to the bureau, overall, the operation of the two tunnels is generally smooth, and the traffic congestion of the Tseung Kwan O Tunnel has been greatly improved in the past. increase, but the traffic conditions are generally smooth.

▼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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It is hoped that the special trains of the cross-harbour bus will be trialled in March

The Bureau also pointed out that the five newly opened bus lines that provide services during peak hours generally operate smoothly, and the passenger capacity in the peak hour is about 25% to 55%, which can meet the current passenger demand.

According to the Bureau, although the passenger volume of the two cross-harbour bus routes serving Tseung Kwan O is relatively low, in response to the suggestions of residents, the Transport Department is actively studying with the bus company to test special trips for the Tseung Kwan Tunnel, which is expected to be available this year. The special frequency of the cross-harbour bus will be tried out in March, and the second phase of the bus route plan will also be reviewed in the first quarter of this year.

Citybus and NWFB welcome the pilot operation of the cross-sea route

Citybus and NWFB, which earlier expressed their intention to launch the bus route passing through the Blue Tunnel, expressed their welcome to the trial operation of the special bus in March this year, and are now negotiating the details with the Transport Department. At the same time, they believe that the busy route 790 and Route 795 are in great demand, and it is suggested to upgrade the route to a full-time service.

▼December 12th at 8:00am, Tseung Kwan O Tunnel exit Kowloon car-free queue▼


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Jianglan Tunnel|Tseung Kwan O Tunnel’s busy traffic flow still exceeds the design capacity, and the diversion effect is not as expected There is no congestion in the tunnel. Janglan Tunnel|The reporter actually measured Tseung Kwan O Station via the new road for 17 minutes to Kwun Tong apm and fast to the old road for 3 minutes to the Janglan Tunnel|Transportation Department said the traffic was better than expected and the police issued notices to 15 traffic jammers

Source: hk1

All news articles on 2023-02-10

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