Supporting Information
Source: data.gov.uk (2024-07-29)

GM Local Link areas. Map data showing Local Link (Demand Responsive Transport) service areas in Greater Manchester.  The dataset is available in MapInfo .tab, Google .kmz, and ESRI .shp file formats.

Please acknowledge the source of this information using the following attribution statement:

Contains Transport for Greater Manchester data.  Contains OS data © Crown copyright and database right 2024.

Local Link Areas Map Data – Supporting Information (July 2024) 
1 
Background 
1.1 
This information note accompanies Transport for Greater Manchester’s Local 
Link area map data released at: 
https://data.gov.uk/dataset/gm-local-link-areas  
1.2 
For general-purpose background information about Local Link, visit: 
http://www.tfgm.com/buses/local_link/Pages/index.html  
1.3 
See the following sections for technical information on: 
• Copyright and licence details; 
• File formats; 
• Data specification; 
• Known issues and limitations; and 
• Data updates. 
1.4 
Please email xxx@xxx.xx if you have any enquiries or feedback about 
the data or this documentation. 
 
 

2 
Copyright and licence details 
2.1 
This free dataset is released under the Open Government Licence (OGL), a 
copy of which can be found here: 
http://www.nationalarchives.gov.uk/doc/open-government-
licence/version/3/  
2.2 
Please acknowledge the source of this information using the following 
attribution statement:  
Contains Transport for Greater Manchester data.  Contains OS data © Crown 
copyright and database right 2024. 
 
3 
File formats 
3.1 
The dataset is available in a choice of file formats: 
• .kml (Google Earth) 
http://en.wikipedia.org/wiki/Keyhole_Markup_Language  
• .tab (MapInfo) 
http://en.wikipedia.org/wiki/MapInfo_TAB_format 
• .shp (ESRI ArcGIS) 
http://en.wikipedia.org/wiki/Shapefile 
3.2 
NB: The download files may have been zipped to reduce file sizes. 
3.3 
Email us if you would like to request data in a format not listed here. 
 
 

4 
Data specification 
Field name 
Description 
optis_drt_id 
Unique ID 
optis_region_id 
Region ID 
drt_id 
Local Link service ID 
LocalLink_name 
Name of Local Link area (not definitive) 
LocalLink_alt_name 
Alternative name for the Local Link area 
ContractNumber 
TfGM contract number on AS/400 
Operator 
Short version of the operator’s name 
Website 
Link to leaflet on TfGM website 
Telephone 
Telephone number 
timeband_id 
Times of operation ID 
TimeBand 
Times of operation 
TimeBand_clean 
Cleaned version of times of operation 
DoW 
Days of week when this service operates 
Mon 
1/0 = yes/no 
Tue 
1/0 = yes/no 
Wed 
1/0 = yes/no 
Thu 
1/0 = yes/no 
Fri 
1/0 = yes/no 
Sat 
1/0 = yes/no 
Sun 
1/0 = yes/no 
B_H 
1/0 = yes/no 
time_start 
Starting time 
time_end 
End time 
valid_from 
Valid from date 
valid_to 
Valid to date 
other_destinations 
Other destinations served 
check_v_locallink 
Field used when updating the data 
 
 
 

5 
Known issues and limitations 
5.1 
Transport for Greater Manchester would be interested to hear of any data 
errors that you come across. 
 
6 
Data updates 
6.1 
At the time of writing, Transport for Greater Manchester aims to update this 
dataset whenever there are major changes to the Local Link services. 
6.2 
Recent updates have been published in: 
• January 2018 
• April 2018 
• June 2018 
• November 2018 
• March 2019 
• July 2019 
• October 2019 
• February 2020 
• April 2020 
• June 2020 
• July 2020 
• October 2020 
• February 2021 
• March 2021 
• August 2021 
• October 2021 
• April 2022 
• July 2023 
• September 2023 
• July 2024