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The expressways of Singapore are special roads that allow motorists to travel quickly from one urban area to another. All of them are dual carriageways with grade-separated access. They usually have three to four lanes in each direction, although there are two-lane carriageways at many expressway - expressway intersections and five-lane carriageways in some places. There are ten expressways, including the new Marina Coastal Expressway. Studies about the feasibility of additional expressways are ongoing.

Construction on the first expressway, the Pan Island Expressway, started in 1966. Template:As of, there are 163 km of expressways in Singapore.[1]

The Singaporean expressway networks are connected with Malaysian expressway networks via Ayer Rajah Expressway (connects with the Second Link Expressway in Malaysia) and Bukit Timah Expressway (connects with the Skudai Highway via Johor–Singapore Causeway).

History Edit

Chronology of major events
Date Events Remarks
1964 Construction of the Pan Island Expressway (PIE) begin
1966 First phase of the Pan Island Expressway (PIE) completed. Construction of the second phase of the PIE begin.Whitley Road: Mount Pleasant Flyover - Thomson Flyover - Jalan Toa Payoh - Jalan Kolam Ayer - Paya Lebar Way
1970Toa Payoh Flyover, Singapore's first flyover is opened to motoristsLength: 1.2 kilometres
1971 Construction of the East Coast Parkway (ECP) begin.
1974 First phase of the East Coast Parkway (ECP) completed.Fort Road – Marine Parade
1975 Second phase of the Pan Island Expressway (PIE) completed. Length: 42.8 kilometres
Whitley Road (Mount Pleasant Flyover) - Jalan Anak Bukit
1976 Second phase of the East Coast Parkway (ECP) completed.Marine Parade – Bedok South Road
1980 Third phase of the East Coast Parkway (ECP) completed.Bedok South Road – Changi Airport
1980 Third phase of the Pan Island Expressway (PIE) completed. Jalan Eunos - Changi Airport
18 April 1981Opening of the Benjamin Sheares Bridge on the East Coast Parkway (ECP) and the completion of the ECP phase 4 from Fort Road to Keppel RoadECP Length: 20 kilometres
ECP phase 4: Fort Road - Keppel Road
1981 Fourth phase of the Pan Island Expressway (PIE) completed. Jalan Anak Bukit - Jurong Road
July 1981Construction of the Sembawang Expressway (renamed to Central Expressway) begin.
July 1981Construction of the Central Expressway begin.
5 March 1983 Construction of the Ayer Rajah Expressway (AYE) begin.
31 August 1983Opening of the Central Expressway (CTE) Phase 1Ang Mo Kio Avenue 1 - PIE
23 September 1983Construction of the Bukit Timah Expressway (BKE) begin.
18 May 1985Opening of the Central Expressway (CTE) Phase 1PIE - Thomson Road
1986 Opening of the Bukit Timah Expressway (BKE).Length: 10 kilometres
1 July 1986Construction of the Central Expressway (CTE) phase 2 including Kampong Java Tunnel and Chin Swee Tunnel
30 September 1987Opening of the Tampines Expressway (TPE) phase 1.PIE - Elias Road
1988 Opening of the Ayer Rajah Expressway (AYE).Length: 26.5 kilometres
2 June 1989Opening of the Tampines Expressway (TPE) phase 1.Elias Road - Old Tampines Road
17 June 1989 Opening of the Central Expressway (CTE) phase 1Seletar – Ang Mo Kio Avenue 1
24 March 1990Opening of the Seletar Expressway (SLE) phase 1.Central Expressway – Upper Thomson Road
21 September 1991Opening of the Central Expressway (CTE) phase 2 including Kampong Java Tunnel and Chin Swee TunnelLength: 15.8 kilometres
31 October 1991Construction of the Kranji Expressway (KJE) begin.
5 December 1993Opening of the Pan Island Expressway (PIE).Jurong Road - Upper Jurong Road
1994Opening of the Kranji Expressway (KJE).Length: 8 kilometres
5 November 1995Opening of the Seletar Expressway (SLE) phase 2.Bukit Timah Expressway – Woodlands Avenue 2
3 September 1996Opening of the Tampines Expressway (TPE) phase 2.Old Tampines Road - SLE
22 February 1998Opening of the Seletar Expressway (SLE) phase 2.Length: 10.8 kilometres
Woodlands Avenue 2 - Upper Thomson Road

Mr John Chen Seow Phun, Minister of State for Communications

22 August 1998Opening of the Tampines Expressway viaduct connecting PIE and TPE
September 1998The Electronic Road Pricing (ERP) systems is implemented at all expressways.
2001Construction of the Kallang-Paya Lebar Expressway begins.
2004The SOS telephones were removed on all expressways except for tunnels.
23 June 2007Opening of the Tampines Service Road, currently part of the Kallang-Paya Lebar Expressway (KPE)
28 October 2007Opening of the Kallang–Paya Lebar Expressway (KPE), the longest subterranean road tunnel in Southeast AsiaECP - PIE
March 2008Construction of the Marina Coastal Expressway (MCE) begins.
20 September 2008Official opening of the Kallang-Paya Lebar Expressway (KPE)Prime Minister Lee Hsien Loong
PIE - TPE
29 December 2013Opening of the Marina Coastal Expressway (MCE), Singapore's first undersea expressway.Length: 5 kilometres

Expansion Edit

The latest expressway completed is the Marina Coastal Expressway which runs for 5 km, 3.5 km of which are underground. Construction started in 2008 and ended in late 2013. It was opened to the public on 29 December 2013. Prior to construction of the Marina Coastal Expressway, the Kallang–Paya Lebar Expressway which runs for 12 km, 9 km of which are 10 m underground, was started in 2001 and a 3 km section linking the Pan Island Expressway and East Coast Parkway was opened in late 2007. The Kallang–Paya Lebar Expressway was completed on 20 September 2008.

On 27 July 2007, the Land Transport Authority announced that approval had been given for the construction of a new 5 km long Marina Coastal Expressway (MCE) at a cost of $2.5 billion.[2] The expressway, which includes Singapore's first undersea tunnel, links the East Coast Parkway and Kallang-Paya Lebar Expressway to Marina South and Ayer Rajah Expressway and opened to traffic 29 December 2013.[3][4]

Construction of the 11th expressway, the North–South Corridor, originally conceptualised as the North-South Expressway was announced on 30 January 2008. The new 21.5-kilometre expressway will cost about $7 to $8 billion when fully completed by 2023 and will connect the East Coast Parkway with the northern parts of Singapore. In 2016, the Land Transport Authority announced that the North–South Corridor will be Singapore’s first integrated transport corridor featuring continuous bus lanes and cycling trunk routes, rather than a normal expressway when originally conceptualised.

Features Edit

There are no traffic lights on the expressways. At an interchange with another road, an expressway is connected to it via slip roads. This allows traffic to change routes without having to stop or slow down. The most common forms of highway-road or highway-highway intersections are single-point urban, diamond, and trumpet interchanges. Some of them use cloverleaf interchanges.

The road surface is asphalt, unlike normal roads which may have concrete surfaces. The lanes are separated with white dashed lines, while unbroken white lines are used to mark the edges of the median and shoulder. The shoulder is reserved for stops due to breakdowns and emergencies, and motorists are prohibited by law from travelling on it. Lanes are numbered from right to left, with lane 1 being the closest to the median. Crash barriers, cat's eyes and rumble strips are also used to ensure road safety.

There are signs marking the start and end of an expressway at its entry and exit points respectively. The Expressway Monitoring and Advisory System is used on all the expressways—cameras are used for live monitoring of expressway conditions, and LED signboards display information messages, such as warnings of any disruptions to the normal flow of traffic, as well as estimated travel times. The longest expressway, the Pan Island Expressway, is only Template:Convert long and therefore have no rest areas.

List of Asian Highway Networks:

  • AH143 running from Tuas, via AYE, MCE, KPE all the way to Buangkok East Drive
  • AH230 running from Woodlands, via BKE, PIE all the way to Tampines

Safety Edit

The default speed limit and National Speed Limits on Singapore expressways is as follows -

Certain types of transport, such as pedestrians, bicycles, and learner drivers, are not allowed.

Some of the expressways are constrainted are Choa Chu Kang Toll Expressway, Bedok Toll Expressway and Ashford Tunnel of which it is a tunnelled expressway.

Semi-expressways Edit

In Singapore, there are three semi-expressways: Nicoll Highway, the Outer Ring Road System (ORRS) and West Coast Highway. These semi-expressways are scaled down versions of expressways. Semi-expressways do not have a uniform speed limit through its entire length, and some sections still feature traffic light controlled junctions, such as the eastern section of the ORRS and the controlled roundabout along the West Coast Highway. Still, just like expressways, semi-expressways allow motorists to travel quickly from one urban area to another with the use of viaducts, flyovers and underpasses.

WILD Detection SystemEdit

The WILD detection system is part of the KPE, Jurong Town Hall Road, Braddell and Lavender stations. Speed limits for WILD detection system being placed at KPE were kept to 70 km/h, but those without will be 80 km/h.

ExpresswaysEdit

Ranking of the Length from Longest to Shortest
Rank Number Expressway Name Code Opened Length Exit Terminus Remarks
1st Pan Island Expressway M1 1966 42.8km Changi Airport, ECP
Tuas, AYE
Longest and Oldest Expressway in Singapore.
2nd Ayer Rajah Expressway M2 1988 26.5km Keppel
Tuas Checkpoint, Tuas Second Link
Disconnected from ECP from 29 December 2013.It is connected to MCE since 29 December 2013
3rd North–South Corridor M17 2023 21.5km Admiralty Road West
ECP, Republic Avenue and Nicoll Highway
Construction starting in 2017 after redesign. Completion by 2023. The NSC will be Singapore’s first integrated transport corridor featuring continuous bus lanes and cycling trunk routes.
4th East Coast Parkway M2 1974 20km Changi Airport, PIE
Marina Boulevard
No longer connected with the AYE from 29 December 2013 with the opening of MCE.Shortened to Rochor.The part between Benjamin Sheares Bridge and Central Blvd was downgraded to a four lane road while the sector between the Central Blvd and Prince Edward Road was removed to allow the expansion of the new downtown to take place.
5th Central Expressway M3 1989 15.8km SLE
AYE
This Expressway has two tunnels, Kampong Java Tunnel and Chin Swee Tunnel. Merges with SLE
6th Tampines Expressway M6 1989 14km SLE, CTE
PIE
Upper Changi Road East
7th Kallang-Paya Lebar Expressway M8 2008 12km MCE, ECP
TPE
The expressway is one of the longest tunnel in Singapore.
8th Seletar Expressway M6 1990 10.8km BTE, Turf Club Ave
CTE
Merge with CTE
9th Bukit Timah Expressway M10 1986 10km PIE
Woodlands Checkpoint, Johor–Singapore Causeway
10th Kranji Expressway M5 1994 8km BKE
PIE
11th Marina Coastal Expressway M12 2013 5km AYE
Tanjong Rhu, KPE
Singapore's First undersea expressway.


Diagram Edit

See also Edit

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References Edit

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