Section 30(3)(b) in Bihar Street Vendors (Protection of livelihood and regulation of Street Vending) Schemes 2017
(b)There shall not be any stationary street vending on a road having width between 3.5 meters to 6 meters. However, street vending shall be allowed if such road is declared as no vehicular road. In such cases, the street vending shall be restricted to 2.0 meter.