Category:Road transport infrastructure in Bihar

; Bihar
Road transport infrastructure in India by subdivision:
Regions
States
	Andhra Pradesh; Arunachal Pradesh; Assam; Bihar; Chhattisgarh; Goa; Gujarat; Haryana; Himachal Pradesh; Jharkhand; Karnataka; Kerala; Madhya Pradesh; Maharashtra; Manipur; Meghalaya; Nagaland; Odisha; Punjab; Rajasthan; Sikkim; Tamil Nadu; Telangana; Uttar Pradesh; Uttarakhand; West Bengal;
Union territories
	Chandigarh; Delhi; Ladakh;

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