machan rail peelle track circuit tiyenawa. ewayen train eka tiyenne kotanada kiyana eka detect karanawa. ea anuwa control office eke (cmb wala) pannel ekei near station eke tiyena panel ekei train eka indicate karanawa. oya track circuit eka short karama oya signal system eka fail wenawa. habai uba karanna yannepa. location eka detect karala policiyen alluwoth kelinma usawi.
rail gates auto tama close wenne godak welawata. eth ewaye operator kenek innawa. train eka ea track eke yanna puluwan max speed eka anuwa gate eka wahena time eka detect karala program karala tiyenne. mulinma red light ekath ekka bell eka wadila 5 seconds walin tama gate eka close wenne. eth wahanayak idala gate 1 close une nathnam signal fail wenawa. gate eka lagama tower eke trail signal eka red wenawa. ea welawata manual operate karanawa. train eka laga pene peni vehicle ekak gate eka madde hira unoth gate 1 kadagena yanna permission tiyenawa. ekai wooden gate danne color light wala. eth alabe gewanna ona.
oya track circuit update karala nati nisa galle road eka 100Kmh yanna haduwata wadak na gate close wenne train eka 80Kmh speed eken enawa kiyala hitala. ( dannam hadalada danne na. )
mama me kiwwe color light signal gana.