State Highway (SH-25) connects Tiruchirappalli with Erode via Namakkal, Tiruchengode. Total length of SH-25 is 120 km.
SH-25 Route: Tiruchirappalli - Srirangam - Gunaseelam - Musiri - Thottiyam - Valaiyappatti - Namakkal - Tiruchengode