its ▁on ▁the ▁rail ▁network , ▁which ▁connect s ▁Chen na i ▁with ▁Bang al ore , ▁A rak on am , ▁West ▁and ▁southern ▁parts ▁of ▁T amil ▁N adu ▁and ▁also ▁neighbour ing ▁states ▁of ▁Ker ala ▁and ▁K arn ata ka . ▁It ▁is ▁part ▁of ▁West ▁Line ▁in ▁Chen na i ▁Railway ▁Network . ▁S enth il ▁Nag ar ▁Bus ▁Stand ▁is ▁available ▁next ▁to ▁the ▁Th ir um ulla ivo yal ▁Railway ▁Station . ▁ ▁On ▁ 4 ▁October ▁ 2 0 1 3 , ▁the ▁T amil ▁N adu ▁High ways ▁department ▁issued ▁a ▁GO ▁extending ▁the ▁entire ▁stretch ▁of ▁the ▁road ▁till ▁Tir ut ani ▁to ▁ 6 ▁lan es ▁at ▁a ▁cost ▁of ▁▁ 1 , 6 8 0   mill ion , ▁by ▁means ▁of ▁land ▁ac quisition ▁from ▁ 1 2 ▁villages . ▁In ▁the ▁first ▁phase , ▁the ▁road ▁will ▁be ▁w iden ed ▁to ▁ 1 0 0   ft ▁( 4 ▁lan es ) ▁with ▁center ▁median ▁at ▁a ▁cost ▁of ▁▁ 9 8 0 ▁million . ▁ ▁History ▁Th ir um ulla ivas al ▁is ▁one ▁of ▁the ▁many ▁temple ▁towns ▁in ▁the ▁state ▁which ▁is ▁named ▁after ▁the ▁gro ov es , ▁clusters ▁or ▁for ests ▁domin ated ▁by ▁a ▁particular ▁variety ▁of ▁a ▁tree ▁or ▁shr ub ▁and ▁the ▁same ▁variety ▁of ▁tree ▁or ▁shr ub ▁shelter ing ▁the ▁pres iding ▁de ity . ▁The ▁region ▁is ▁believed ▁to ▁have ▁been ▁covered ▁with ▁Cham ap aka ▁forest