Be aware of scammers impersonating as IMDA officers and report any suspicious calls to the police. Please note that IMDA officers will never call you nor request for your personal information. For scam-related advice, please call the Anti-Scam helpline at 1800-722-6688 or go to www.scamalert.sg.

4G Measurement Survey Results for Q3 2017

Tunnel Service Coverage

This indicator measures the service coverage for the 4G cellular mobile network within road and MRT tunnels. Tunnel service coverage measures the percentage of data points collected in a tunnel from a 4G cellular mobile network that achieves a minimum signal strength of at least -109dBm. The tunnel areas surveyed by IMDA include all road and MRT tunnels in Singapore. In order to better reflect end users' experience, IMDA uses mobile phones to collect the signal strength data points.

IMDA’s Performance Survey Period - Q3 2017 M1 Singtel Mobile StarHub Mobile

Road Tunnels

Central Expressway

100%

100%

100%

Fort Canning

100%

100%

100%

Kallang-Paya Lebar Expressway

99.37%

99.17%

98.35%

Marina Coastal Expressway

Rollout in progress

Rollout in progress

Rollout in progress

Woodsville

100%

92.74%

100%

MRT Tunnels

Changi Airport Line

84.36%

82.76%

75.60%

Circle Line

99.96%

99.98%

99.87%

Downtown Line

99.32%

99.90%

99.27%

East-West Line

99.93%

99.91%

100%

North East Line

99.69%

99.97%

98.18%

North-South Line

99.57%

99.47%

99.00%

 

Note 1: For road and/or MRT tunnels without a published result, it means that the respective mobile operator has not completed its 4G service deployment at the particular road and/or MRT tunnel.

Note 2: End users’ individual experience may differ due to different models of handset used, handset settings, number of users in the vicinity, etc. The tunnel service coverage results are based on IMDA’s coverage performance surveys.


LAST UPDATED: 26 OCT 2022