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preliminary assessment on reliability of public bus service in kota ...

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Literature Review<br />

• Reliability <strong>of</strong> transportati<strong>on</strong> system can be<br />

def<strong>in</strong>ed as the ability <strong>of</strong> the system to adhere to a<br />

schedule or ma<strong>in</strong>ta<strong>in</strong> regular headways and a<br />

c<strong>on</strong>sistent travel time; <strong>in</strong> other words, as the <strong>on</strong>time/punctuality<br />

performance and headway<br />

evenness (Chen, 2009)<br />

• For Malaysian M<strong>in</strong>istry <strong>of</strong> Transportati<strong>on</strong>, the<br />

<strong>reliability</strong> <strong>of</strong> <strong>public</strong> transport is def<strong>in</strong>ed as the<br />

percentage <strong>of</strong> journey times completed with<strong>in</strong> 60<br />

m<strong>in</strong>utes dur<strong>in</strong>g the morn<strong>in</strong>g peak period (GTP<br />

Roadmap, 2010).

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