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Major Roads

• Published by: OpenDataNI
• Last updated: 16 December 2025

Source Lden Lnight Lday Levening LAeq,16hr Major RoadsThose which have more than three million vehicle passages a year (for mapping rounds other than Round 1)The...

Major Railway

• Published by: OpenDataNI
• Last updated: 09 September 2025

Source LdenLnight Lday Levening LAeq,16hr LAeq,6hr LAeq,18hr Major Railway Those which have more than 30,000 train passages per year (for mapping rounds...

Major Railway

• Published by: OpenDataNI
• Last updated: 16 December 2025

Source LdenLnight Lday Levening LAeq,16hr LAeq,6hr LAeq,18hr Major Railway Those which have more than 30,000 train passages per year (for mapping rounds...

Major Towns and Cities - Methodological Note and User Guidance

• Published by: Office for National Statistics
• Last updated: 11 August 2025

The document provides a methodological note and user guidance for the ONS Major Towns and Cities.  (File Size - 2 MB)

Major Airport Lden

• Published by: OpenDataNI
• Last updated: 09 September 2025

SourceLden Lnight Lday Levening LAeq,16hr Major Airports - Belfast International Airport The day-evening-night level indicator for overall annoyance, based upon annual...

Major Airport Leve

• Published by: OpenDataNI
• Last updated: 09 September 2025

SourceLden Lnight Lday Levening LAeq,16hr Major Airports - Belfast International Airport The day-evening-night level indicator for overall annoyance, based upon annual...

Major Roads Lday

• Published by: OpenDataNI
• Last updated: 09 September 2025

Source Lden Lnight Lday Levening LAeq,16hr Major RoadsThose which have more than three million vehicle passages a year (for mapping rounds other than Round 1)The...

Major Roads Leve

• Published by: OpenDataNI
• Last updated: 09 September 2025

Source Lden Lnight Lday Levening LAeq,16hr Major RoadsThose which have more than three million vehicle passages a year (for mapping rounds other than Round 1)The...

Major Roads Leve

• Published by: OpenDataNI
• Last updated: 16 December 2025

Source Lden Lnight Lday Levening LAeq,16hr Major RoadsThose which have more than three million vehicle passages a year (for mapping rounds other than Round 1)The...

Major Airport Lnight

• Published by: OpenDataNI
• Last updated: 16 December 2025

SourceLden Lnight Lday Levening LAeq,16hr Major Airports - Belfast International Airport The day-evening-night level indicator for overall annoyance, based upon annual...

Major Airport Leve

• Published by: OpenDataNI
• Last updated: 16 December 2025

SourceLden Lnight Lday Levening LAeq,16hr Major Airports - Belfast International Airport The day-evening-night level indicator for overall annoyance, based upon annual...

Major Airport Lden

• Published by: OpenDataNI
• Last updated: 16 December 2025

SourceLden Lnight Lday Levening LAeq,16hr Major Airports - Belfast International Airport The day-evening-night level indicator for overall annoyance, based upon annual...

Major Roads Lnight

• Published by: OpenDataNI
• Last updated: 16 December 2025

Source Lden Lnight Lday Levening LAeq,16hr Major RoadsThose which have more than three million vehicle passages a year (for mapping rounds other than Round 1)The...

Major Airport Lday

• Published by: OpenDataNI
• Last updated: 16 December 2025

SourceLden Lnight Lday Levening LAeq,16hr Major Airports - Belfast International Airport The day-evening-night level indicator for overall annoyance, based upon annual...

Major Airport BIA

• Published by: OpenDataNI
• Last updated: 16 December 2025

SourceLden Lnight Lday Levening LAeq,16hr Major Airports - Belfast International Airport The day-evening-night level indicator for overall annoyance, based upon annual...

Major Roads Lday

• Published by: OpenDataNI
• Last updated: 16 December 2025

Source Lden Lnight Lday Levening LAeq,16hr Major RoadsThose which have more than three million vehicle passages a year (for mapping rounds other than Round 1)The...

Major Roads Lden

• Published by: OpenDataNI
• Last updated: 16 December 2025

Source Lden Lnight Lday Levening LAeq,16hr Major RoadsThose which have more than three million vehicle passages a year (for mapping rounds other than Round 1)The...

Major Towns and Cities (December 2015) Boundaries EW BGG (V2)

• Published by: Office for National Statistics
• Last updated: 24 November 2024

This file contains the digital vector boundaries for the Major Towns and Cities in England and Wales, as at December 2015. Version 2 includes centroid data in the attributes table.The boundaries...

Major Railway Leve

• Published by: OpenDataNI
• Last updated: 09 September 2025

Source LdenLnight Lday Levening LAeq,16hr LAeq,6hr LAeq,18hr Major Railway Those which have more than 30,000 train passages per year (for mapping rounds...

Major Railway Lden

• Published by: OpenDataNI
• Last updated: 09 September 2025

Source LdenLnight Lday Levening LAeq,16hr LAeq,6hr LAeq,18hr Major Railway Those which have more than 30,000 train passages per year (for mapping rounds...