Tiruttani was officially incorporated into the Chennai Metropolitan Area in October 2022, signifying its growing importance and influence within the region..

On 1 April 1960, with the Andhra Pradesh and Madras Alteration of Boundaries Act of 1959, Tiruttani, Pothatturpettai, Pallipattu and Ramakrishnarajapettai assembly areas of Andhra Pradesh are transferred to Madras state (now Tamil Nadu) in exchange for smaller area on linguistic basis.

[8] The Andhra Pradesh and Madras Alteration of Boundaries Act, enacted in 1959 by the Parliament of India under the provisions of article 3 of the constitution, went into effect from 1 April 1960.

Additional buses are put into service during the festival season to accommodate the increased demand.

The Tamil Nadu State Transport Corporation (TNSTC) operates regular services to Chennai, Tiruchirappalli, Salem, Tiruvallur, Vellore, Aarani, Arakkonam, Chengalpattu, Kanchipuram, Tiruvannamalai,Tindivanam.

The State Express Transport Corporation (SETC) operates a direct bus from Tiruttani to Tirunelveli four times a week (Friday, Saturday, Sunday, and Monday).

Additionally, buses travelling from Tirupati to Madurai, Nagercoil, Peravurani (via Kumbakonam and Pattukkotai), and Nagapattinam (via Chidambaram and Mayiladuthurai) pass through Tiruttani.

The Andhra Pradesh State Road Transport Corporation (APSRTC) operates frequent buses to Tirumala, while the Karnataka State Road Transport Corporation (KSRTC) runs two daily buses (Sarige Type) to Bengaluru (via Chittoor).