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IRSE Exam Forum › MODULES › Module 2 › Calculations: Past papers & Exercises
Maximum signal spacing calculation


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Maximum signal spacing calculation
s.sathish08 Offline
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#1
30-09-2013, 09:41 AM
Hi All,

please clarify my doubt,

a) While calculating maximum signal spacing using formulae "d" in the place of "Ht4" or "Ht3" which value has to be substituted, obtained headway time or given headway time?.
d=(Vh*Ht3)-(S+O+L)/2 for 3 aspect...
d=(Vh*Ht4)-(S+O+L)/3 for 4 aspect...

Thanks
sathish
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Maximum signal spacing calculation - by s.sathish08 - 30-09-2013, 09:41 AM
RE: Maximum signal spacing calculation - by Peter - 30-09-2013, 03:30 PM

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