Glasgow North Headcodes

The north bank services had their own distinctive two digit headcodes. The full list shown below is reproduced from the 1968 Working Time Table and remained in use from the introduction of electric services until the mid 1970s when headcodes on all locomotives and multiple units ceased to be displayed, which is probably just as well as the increased variety of destinations following the opening of the Argyle line would have exceeded the number of permutations available. The "00" display was adopted until white marker lights replaced the blinds around 1980 and the headcode window was plated over when the units were refurbished. The initial publicity shots showed a unit with the headcode "A1" but this code was never used for normal services.

Destination	Route	Destination	Class	Head code
Helensburgh	Singer	Express	1	1	1
	Yoker	Express	1	1	2
	Singer	Limited Stop	1	1	3
	Yoker	Limited Stop	1	1	4
	Singer	Stopping	2	1	5
	Yoker	Stopping	2	1	6
	----	Empty	3	1	9
Balloch	Singer	Express	1	2	1
	Yoker	Express	1	2	2
	Singer	Limited Stop	1	2	3
	Yoker	Limited Stop	1	2	4
	Singer	Stopping	2	2	5
	Yoker	Stopping	2	2	6
	----	Empty	3	2	9
Dalmuir Park	Singer	Limited Stop	1	3	3
	Yoker	Limited Stop	1	3	4
	Singer	Stopping	2	3	5
	Yoker	Stopping	2	3	6
	----	Empty	3	3	9
Clydebank	----	Stopping	2	4	6
	----	Workers	2	4	7
	----	Empty	3	4	9
Singer Works	----	Workers	2	5	7
Singer Works	----	Empty	3	5	9
Milngavie	----	Stopping	2	6	5
Milngavie	----	Empty	3	6	9
Partick Hill or Charing Cross	---	Stopping	2	7	5
Hyndland Depot	---	Empty	3	9	9
Craigendoran	Singer	Express	1	8	1
	Yoker	Express	1	8	2
	Singer	Limited Stop	1	8	3
	Yoker	Limited Stop	1	8	4
	Singer	Stopping	2	8	5
	Yoker	Stopping	2	8	6
	----	Empty	3	8	9
Dumbarton	Singer (if applicable)	Express	1	D	1
	Yoker	Express	1	D	2
	Singer (if applicable)	Limited Stop	1	D	3
	Yoker	Limited Stop	1	D	4
	Singer (if applicable)	Stopping	2	D	5
	Yoker	Stopping	2	D	6
	----	Empty	3	D	9
Airdrie	Singer (if applicable)	Express	1	1	1
	Yoker	Express	1	1	2
	Singer (if applicable)	Limited Stop	1	1	3
	Yoker	Limited Stop	1	1	4
	Singer (if applicable)	Stopping	2	1	5
	Yoker	Stopping	2	1	6
	----	Empty	3	1	9
Bridgeton	Singer (if applicable)	Express	1	2	1
	Yoker	Express	1	2	2
	Singer (if applicable)	Limited Stop	1	2	3
	Yoker	Limited Stop	1	2	4
	Singer (if applicable)	Stopping	2	2	5
	Yoker	Stopping	2	2	6
	----	Workers	2	2	7
	----	Empty	3	2	9
Springburn	Singer (if applicable)	Stopping	2	6	5
	Yoker	Stopping	2	6	6
	----	Workers	2	6	7
	----	Empty	3	2	9
Shettleston (Bothwell Branch)	----	Empty	3	8	9
Queen Street	Singer (if applicable)	Express	1	0	1
	Yoker	Express	1	0	2
	Singer (if applicable)	Limited Stop	1	0	3
	Yoker	Limited Stop	1	0	4
	Singer (if applicable)	Stopping	2	0	5
	Yoker	Stopping	2	0	6
	----	Empty	3	0	9

South Bank Headcodes

The south bank service headcodes radically differed from the north side system in that the two digit code displayed by the EMUs was the last two digits of what should have been a four digit headcode shared by both electric and diesel multiple unit services. For example a unit displaying "50" as a Glasgow to Gourock service would appear on the Working Timetable as "2L50". DMUs such as the class 107s and 126s were capable of displaying the full headcode. The full list of codes for electric services is shown below. The first character would be the classification of train i.e.1,2 or 3 denoting Express, Stopping or Empty

Second Character	Route
B	Electric service via Larkfield (not possible when the headcode system was introduced!)
E	Electric Service via Muirhouse Junction and the Circle Lines
L	Electric Service to and from Gourock and Weymss Bay

Between	and	via	Displayed Headcode
Glasgow Central	Motherwell	Maxwell Park	19
Glasgow Central	Motherwell	Queens Park	20
Glasgow Central	Cathcart Inner Circle	Maxwell Park & Queens Park	21
Glasgow Central	Cathcart Outer Circle	Queens Park & Maxwell Park	22
Glasgow Central	Kirkhill	Maxwell Park	23
Glasgow Central	Kirkhill	Queens Park	24
Glasgow Central	Neilston		26
Glasgow Central	Mount Florida	Maxwell Park	27
Glasgow Central	Mount Florida	Queens Park	28
Glasgow Central	Gourock		50
Glasgow Central	Weymss Bay		51
Glasgow Central	Bishopton		52
Glasgow Central	Hillington West		53
Empty Stock Headcodes
Glasgow Central	to Smithy Lye C.S.		54
Glasgow Central	to Shields Electric Depot		57
Glasgow Central	& Shields Junction		71
*Glasgow Central from* Smithy Lye C.S. or Shields Electric Depot**			80

Current Practise

The current practise is to use a first digit train classification as before, followed by a 2nd digit route code with the third and fourth digits being individual train reporting numbers. ECS workings use the 2nd digit and train reporting number of the passenger service that the stock will form. The letters shown in this table should not be considered as "cast in stone", as service alterations would necessitate changes to headcodes, for example in 1981 the now discontinued service between Airdrie and Milngavie used the letter "A" and at that time services between Airdrie and Balloch were "B".
Thanks are due to Gary Lennon for supplying this table of information

Between	and	2nd Digit
Airdrie or Drumgelloch	Balloch	E
Airdrie or Drumgelloch	Helensburgh	H
Dalmuir	Airdrie	V
Springburn	Garscadden	V
Springburn	Milngavie	M
Dalmuir or Milngavie	Lanark	C
Dalmuir	Bellgrove	V
Dalmuir	Motherwell or Coatbridge Central	F
Coatbridge Central	Milngavie or Hyndland	V
Glasgow Central	Ayr	K
Glasgow Central	Largs	T
Glasgow Central	Weymss Bay	W
Glasgow Central	Gourock	G
Glasgow Central	Newton	P
Glasgow Central	Neilston	N
Cathcart Circles		L

Diesel Services

Between	and	2nd Digit
Motherwell	Cumbernauld	D
Queen Street (High Level)	Cumbernauld or Falkirk Grahamston	J
Queen Street (High Level)	Maryhill	W
Glasgow Central	Whifflet	R
Glasgow Central	East Kilbride	J
Glasgow Central	Barrhead	A
Glasgow Central	Paisley Canal	D