State Highways (SH)

State Highways (SH) Development Program

BSRDC is the nodal state enterprise for widening and strengthening Bihar's core State Highway network from intermediate/single lane to standard 2-lane with paved shoulder (10.0m roadway / 7.0m carriageway) standards, complete with geometric realignment, reconstructed culverts, and high-specification asphalt concrete surfacing.

2,450+ KM
Highways Upgraded
38 Districts
Interconnected Network
100% Paved
All-Weather Corridors

Key State Highway Corridors Executed by BSRDC

SH No. Corridor Name Length (KM) Districts Covered Execution Mode Status
SH-88 Varuna - Ruseraghat Corridor 82.00 Samastipur, Darbhanga ADB Loan (EPC) Completed
SH-89 Siwan - Siswan Road 33.40 Siwan State Plan Completed
SH-90 Maharajganj - Masrakh Corridor 46.20 Siwan, Saran EPC Mode Completed
SH-91 Biraul - Saharsa Road (via Supaul) 52.10 Darbhanga, Saharsa ADB Loan / EPC Ongoing (85%)
SH-58 Udakishanganj - Madhepura Road 41.80 Madhepura State EPC Completed