| National Highway 42 | ||||
|---|---|---|---|---|
Map of the National Highway in red | ||||
| Route information | ||||
| Length | 401 km (249 mi) | |||
| Major junctions | ||||
| North end | ||||
List
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| South end | ||||
| Location | ||||
| Country | India | |||
| States | Karnataka Andhra Pradesh Tamil Nadu | |||
| Primary destinations | Anantapur, Kadiri, Madanapalle, Punganur, Venkatagirikota, Palamaner, Kuppam | |||
| Highway system | ||||
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National Highway 42 (NH 42), (previously part of old National Highways 205 and 219), is a major National Highway in India, that runs in the states of Karnataka, Andhra Pradesh and Tamil Nadu. The northern terminal is at the National Highway 67 junction east of Ballari inside Karnataka state and the southern terminal is at a junction with National Highway 48 near Krishnagiri in Tamil Nadu.

In Karnataka, it passes through Joladarashi chellagurki in bellary district.
In Andhra Pradesh, it passes through Anantapur, Kadiri, Madanapalle, Punganur, Palamaner, Venkatagirikota and Kuppam.
In Tamil Nadu, it connects Krishnagiri with its junction with NH 44.[citation needed]
Route length in states: