NIRT meaning in Regional ?

Answer: What is Northamptonshire Ironstone Railway Trust mean?

The Northamptonshire Ironstone Railway Trust operates a 1+1⁄2-mile (2.4 km) long heritage railway line at Hunsbury Hill, south-west of Northampton. The line is mainly dedicated to freight working, featuring many sharp curves and steep gradients which were typical of the industrial railway, but rides are available in a variety of vehicles including a converted brake van.

reference

Full Form	Category
National Institute for Research in Tuberculosis	Academic & Science
Nanoscale Interdisciplinary Research Team	Academic & Science
Nri Institute Of Research Technology	Academic & Science
Nanotechnology Interdisciplinary Research Teams	Academic & Science
National Incident Response Team	General
National Institutional Reimbursement Team	General
National Iranian Radio and Television	General
Nuclear Incident Response Team	Governmental
National Institute for Relationship Training	Governmental
Northamptonshire Ironstone Railway Trust	Regional