Main highways are good bitumen, generally single lane, with hard shoulders but very busy with traffic, especially trucks and buses. Lessor roads ranged from good to lots of potholes to just dirt roads. Sometimes bridges will be out, especially after monsoon. Necessitates river fording follow the example of the locals for a safe place to cross. Traffic on the minor roads is mostly farmers.
Cyclists are everywhere.
Horn blowing is endemic and deafening. You will inevitably come across the remains of 2 or 3 crashes if you spend long on a main highway. Nelles do a good range, available internationally. Asking directions is the art of interpreting various sweeping hand signals. Ask at least 2 or 3 times and reconfirm at every opportunity.