Jose P. Laurel Highway in Batangas City as a segment of Tolentino Road and turns east toward the outskirts of the city as Gov.

It then curves gently southward across the Calumpang River and passes by the high school campus of Lyceum of the Philippines University Batangas, where it meets with Ferry Road and the Batangas–Tabangao–Lobo Road at Brgy.

The route heads southeast-ward at this junction, passes by the entrance to the Philippine Science High School Calabarzon campus and crosses with the STAR Tollway–Pinamucan Bypass Road at Brgy.

Sampaga, then gradually slopes upon reaching the boundary of the city with the municipality of Taysan, where the road then turns slopier, curvier, and riddled with tight turns as it passes the proximity of Mount Calo and Liguayen at the border with the municipality of Lobo.

Finally, the route turns right towards the town proper before crossing nearby Lobo River and intersects with Batangas–Tabangao–Lobo Road and Lobo–Malabrigo–San Juan Road just beside the town's public market.