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     FrontPage Edition: Fri 24 August 2007

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ERP coverage extended to more roads from 1 Nov 2007


Expanding ERP Coverage To Better Manage Congestion

Traffic congestion affects the quality of life and the environment as well as the overall efficiency and productivity of the economy.
The LTA adopts a holistic and multi-pronged approach to deal with congestion in a sustainable manner. These include promoting the use of public transport, moderating vehicle growth, and using Electronic Road Pricing (ERP).
The ERP is a key tool for managing congestion, by maintaining traffic flow within the optimal speed range of 45 to 65 kilometres per hour on expressways and 20 to 30 kilometres per hour on arterial roads.
The ERP seeks to achieve relatively smooth flowing roads by encouraging motorists to consciously plan their trips via different routes or consider public transport alternatives.
As demand for travel increases due to factors such as population and economic growth, the ERP has to be continually reviewed for effectiveness, to take into account dynamic traffic conditions.
The LTA has completed its review of traffic conditions on the roads and will be extending the coverage of ERP at the following locations. The changes take effect from 1 November 2007.
South-bound Central Expressway (CTE): Extension of Morning ERP Hours
Currently, ERP is in operation on the south-bound CTE from 7.30am to 9.30am during weekdays. The ERP has been effective in keeping traffic congestion in check during this period.
However, outside the current ERP operating hours, traffic speeds have consistently fallen below the optimal speed range on the stretch between Ang Mo Kio Ave 3 and Braddell Road.
To improve traffic speeds, the charging hours at the ERP gantry between Ang Mo Kio Avenue 1 and Braddell Road will be extended to operate from 7am to 11am on weekdays.
There will be no changes in the operating hours (7.30am to 9.30am) of the other three ERP gantries along south-bound CTE (between Braddell Road and PIE; and Serangoon and Balestier Slip Roads). This is because the speeds along this CTE stretch between Braddell Road and PIE remain within the optimal speed range.
North-bound Central Expressway (CTE): New Gantry with Extended Evening ERP Hours
The implementation of evening ERP on the north-bound CTE since August 2005 has helped to improve travel speeds on the CTE north of the Pan Island Expressway (PIE) exit. However, the average traffic speeds on the stretch from Bukit Timah to just before the PIE exit have consistently fallen below the optimal speed range due to the high volume of traffic from the city exiting to the PIE.
To manage congestion along this stretch, a new ERP gantry will be erected along the north-bound CTE just before the PIE exit. The charging hours at this gantry will be between 5.30 pm and 10.30 pm on weekdays. The charging hours reflect the period during which congestion is experienced on this stretch of the CTE.
Evening ERP on East-bound East Coast Parkway (ECP): New Gantries for Evening ERP Charging
The high traffic volume along the east-bound ECP between 6pm and 8pm on weekdays has led to traffic congestion occurring between Ayer Rajah Expressway (AYE) and Fort Road exit of east-bound ECP.
In March 2007, LTA had provided an additional lane in each direction of the ECP between Fort Road and Marina South to help alleviate the congestion. Despite this, traffic speeds continue to remain below the optimal speed range.
To manage the congestion, ERP will be implemented on the east-bound ECP from 6pm to 8pm during weekdays. An ERP gantry will be erected at each of the two accesses into the east-bound ECP from the city and the AYE, namely, (i) before the Rochor Road exit and (ii) at the Ophir Road slip road.
South-bound Bukit Timah Expressway (BKE): New Gantry for Morning ERP Charging
Average traffic speeds on the BKE have deteriorated below the optimal speed range on weekdays. A new ERP gantry will be erected after the Dairy Farm exit, before the BKE joins the PIE, to help manage the traffic congestion there. The operating hours for this gantry will be from 7.30am to 9am during weekdays.
Installation of Other Gantries Which Will Not Be Activated Until Speeds Fall Below Optimal Speed Range
South-bound Upper Bukit Timah Road: New Gantry
With the introduction of a new gantry at the south-bound BKE, traffic at Upper Bukit Timah Road may deteriorate as traffic decants from the BKE.
Hence, an ERP gantry will be erected along the south-bound Upper Bukit Timah Road after Hume Avenue to allow us to address congestion in a timely manner if it were to build up. This gantry will only be activated when congestion builds up and traffic conditions warrant the implementation of ERP.
LTA will give prior notice before levying any ERP charge at this gantry.
Outer Cordon: New ERP Gantries
In May 1999, LTA announced that the ERP system would be progressively expanded beyond the Restricted Zone (RZ) to relieve traffic congestion along roads in the Outer Cordon area under Phase 2 of the ERP plan. The aim is to relieve congestion in the Outer Cordon area by forming a cordon covering the radial roads leading into the city around the RZ.
On 6 September 1999, LTA implemented seven gantries in the Outer Cordon and the Central Expressway under ERP Phase 2A, and announced that the remaining Phase 2 gantries would be implemented as and when traffic conditions warrant it.
There are 10 locations remaining in the Outer Cordon where ERP has not been implemented. LTA has been monitoring traffic conditions on these roads very closely and anticipates that traffic speeds may deteriorate below the optimal speed range at four of the locations.
To enable LTA to be more timely in managing traffic congestion on these roads, LTA will be installing gantries at these four locations, namely Toa Payoh Lorong 6, Upper Boon Keng Road, Kallang Bahru Road and Geylang Bahru Road.
ERP charging will be activated only when traffic conditions deteriorate and warrant the implementation of ERP. LTA will continue to monitor the traffic conditions at the remaining six locations.
LTA will give prior notice before implementing ERP charging at these gantries.
More..... (Annexes)

Source: News Release 23 Aug 2007

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