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May 17, 2008
Four road-safety ideas go on trial
The Land Transport Authority (LTA) is testing four ideas to improve road safety. Ranging from optical illusions to electronic signs that show drivers their speed, they will be put through a six-month trial. If they work, the LTA may decide to use them around the island. Some of the innovations have proven effective in countries such as Australia, Britain and the United States. Maria Almenoar looks at what these initiatives are and how they help motorists
Your speed sign -- PHOTOS: LTA

Your speed sign

What: An electronic sign which shows motorists how fast they are going. If they are above the speed limit, the sign will blink. The LTA said the signs will not be used to nab speeding motorists, but rather to encourage them to slow down.

Where: Bedok North Road exit on the Pan-Island Expressway (towards Changi), Tampines Avenue 5 entrance into the PIE (towards Tuas) and the Lentor Avenue/Yishun exit on the Seletar Expressway ( towards the Bukit Timah Expressway).

When: The sign at Bedok is up and running, while the other two will start in July.


Pedestrian crossing ahead

What: Two white triangles painted on the ground ahead of zebra crossings that are hidden by bends in the road. The LTA has found that despite zigzag lines, flashing beacons and signboards, motorists still do not give way to pedestrians at these crossings.

Where: Bedok Reservoir Road's slip road into Jalan Eunos, Clementi Road's slip road into the Ayer Rajah Expressway (towards Tuas) and the TPE (towards SLE) slip road into Pasir Ris Drive 8.

When: From last month.


Traffic 'calming' markings

What: A series of paired white triangles at the edges of the lane, giving the impression of a narrower road so that drivers will slow down. They will be drawn in areas where humps and speed-regulating strips are not suitable. According to British studies, the triangles have helped reduce average speeds by up to 11kmh.

Where: Eng Neo exit from the PIE (towards Tuas), Bukit Batok East Avenue 5 towards Bukit Batok West Avenue 5 (near Lianhua Primary School), and Dairy Farm Road towards Upper Bukit Timah Road.

When: From Thursday.


Enhanced crossing lines

What: Instead of two solid white lines at pedestrian crossings at traffic junctions, the inner line is in the form of dashes. The LTA said the broken lines contrast better with the solid ones, making them easier to spot.

Currently, about 20 per cent of vehicles stop over the line, endangering the lives of pedestrians.

Where: The junction of Jalan Eunos and Sims Avenue East.

When: From March 19.

mariaa@sph.com.sg

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