All dark lamps within the trunk road network: EIR release

Information request and response under the Environmental Information (Scotland) Regulations 2004

Information requested

A list of all dark lamps within the trunk road network between junction 28 and junction 29 including main carriageway, off and on slips and from junction 28A onto the A737 until Kilbarchan junction, main carriageway and off and on slips.


As the information you have requested is 'environmental information' for the purposes of the Environmental Information (Scotland) Regulations 2004 (EIRs), we are required to deal with your request under those Regulations. We are applying the exemption at section 39(2) of the Freedom of Information (Scotland) Act 2002 (FOISA), so that we do not also have to deal with your request under FOISA.

This exemption is subject to the 'public interest test'. Therefore, taking account of all the circumstances of this case, we have considered if the public interest in disclosing the information outweighs the public interest in applying the exemption. We have found that, on balance, the public interest lies in favour of upholding the exemption, because there is no public interest in dealing with the same request under two different regimes. This is essentially a technical point and has no material effect on the outcome of your request.

Please see Annex A to this response for a copy of our inspections records for the period 1 October - 22 December 2020 which contain details of dark lamps.

A general inspection was also carried out on 26/12/20 with details of Dark Lamps provided as follows:

A737 at St  James
On slip Westbound - Lamp Reference GP2206
Off slip Eastbound - Lamp Reference GP2301
Johnstone On slip Westbound - Lamp Reference GP1413
Johnstone to Kilbarchan Westbound - Lamp Reference GP1321
Kilbarchan Eastbound On Slip - Lamp References GP1307, GP1309
Kilbarchan to Johnstone Eastbound - Lamp Reference GP1410
Linwood Eastbound between slips - Lamp Reference GP1831

M8 J28-J28A
Westbound - Lamp References R247, R11, R22
J28A off to A737 Westbound - Lamp Reference R12

J28A on from A737
Lamp References R1, R2, R3, R254, R250, R248, R244
Junction 29 on slip Eastbound - Lamp Reference R274
Junction 29 to 28A - Lamp Reference R264

About FOI

The Scottish Government is committed to publishing all information released in response to Freedom of Information requests. View all FOI responses at

FOI - 202000127477 - Information release - Annex A


Please quote the FOI reference
Central Enquiry Unit
Phone: 0300 244 4000

The Scottish Government
St Andrews House
Regent Road

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