State Highway 30 is a 55 km long stretch that connects Thalassery
near the Kerala
boundary, in Kannur District
. State Highway 30 starts at Thalassery on National Highway 17
and passes north-east touching Kadirur, Koothuparambu, Mattannur
and Vallithodu, before reaching Koottupuzha near the state border. Beyond Kerala, the road runs up to the enchanting hill station of Coorg (this part of the stretch is under the administration of Karnataka government).