Bihar is developing its network of expressways to improve connectivity. Which expressway connects Buxar and Patna?

The correct answer is: c) Sasram-Patna Expressway

The Sasram-Patna Expressway is a 106.4 km-long expressway in Bihar, India. It connects Sasram in Rohtas district to Patna, the capital of Bihar. The expressway was inaugurated in 2018 and is part of the larger North-South Corridor.

The expressway is a four-lane highway with a speed limit of 120 km/h. It is expected to reduce the travel time between Sasram and Patna from 4 hours to 2 hours. The expressway is also expected to boost economic development in the region by improving connectivity and reducing transportation costs.

The other options are incorrect because:

• The Purvanchal Expressway is a 340 km-long expressway in Uttar Pradesh, India. It connects Lucknow to Ghazipur.
• The Agra-Lucknow Expressway is a 302 km-long expressway in Uttar Pradesh, India. It connects Agra to Lucknow.
• The Yamuna Expressway is a 165 km-long expressway in Uttar Pradesh, India. It connects Agra to Noida.