The Delhi-Mumbai Expressway (DME) is India's longest inter-state road, crossing through six states with a length of 1350km. It comprises an 8-lane access-controlled roadway that links Delhi-Noida-Direct Flyway in Delhi to JNPT- Jawaharlal Nehru Port Trust in Mumbai. The design includes a speed limit of 120 km/hr, with the possibility of expanding to 12 lanes in the future. Larsen & Toubro designed and constructed a 23.7km stretch of the expressway between Mumbai and Vadodra.