I nterms of missing data for Frontiers of the Roman Empire, Colvin provided me with the co-ordinates for the Antonine Wall, which I'm feeding into the other map but here they are if it fills in a few of those gaps. Thanks Colvin.
From Colvin:
Serial ID No.,Name,Center Point (Latitude),Center Point (Longitude)430Ter-001,Carriden,56.0084978,-3.5541722
430Ter-002,Muirhouses Camp,56.0090981,-3.5766353
430Ter-003,Bridgeness - Kinneil,56.0163014,-3.5835386
430Ter-004,Kinglass Park Camp,56.0118797,-3.5989008
430Ter-005,Kinneil-Nether,56.0005803,-3.6643747
430Ter-006,Nether Kinneil-M9,55.9956411,-3.7113992
430Ter-007,Inveravon Camps 2&3,55.9959742,-3.66477
430Ter-008,Polmonthill Camp,55.9913144,-3.6869347
430Ter-009,Little Kerse Camp,55.9904917,-3.6931997
430Ter-010,M9-Callendar Park,55.9963447,-3.7578347
430Ter-011,Military Way, Laurieston,55.8542775,-3.7350269
430Ter-012,Callender Park East,55.5127333,-3.7358072
430Ter-013,Callender Park - Westburn Avenue,55.4946564,-3.7429281
430Ter-014,Westburn Avenue - Glenfuir Road,55.8801406,-3.8113283
430Ter-015,Watling Lodge - Castlecary,55.8890983,-3.813345
430Ter-016,Tamfourhill Camp,55.6014986,-3.8127519
430Ter-017,Milnquarter Camp,56.1665464,-3.8908328
430Ter-018,Castlecary - Twechar,55.7254675,-3.9347517
430Ter-019,Twechar Camp,55.5436267,-4.0621417
430Ter-020,Twechar - Harestanes,56.1630308,-4.108105
430Ter-021,Harestanes - Hillhead,55.63262,-4.1144814
430Ter-022,Hillhead - Kirkintilloch,56.1441272,-4.1618086
430Ter-023,Kirkintilloch - Adamslie,55.4795169,-4.1315967
430Ter-024,Adamslie,55.6948444,-4.1544433
430Ter-025,Adamslie - Glasgow Bridge,55.3984733,-4.1398675
430Ter-026,Glasgow Bridge - Cadder,55.6945361,-4.1719322
430Ter-027,Cadder - Wilderness Plantation,55.7837642,-4.2087969
430Ter-028,Wilderness Plantation - Bearsden,55.6216456,-4.2266725
430Ter-029,Balmuildy Camp,55.4775681,-4.2406964
430Ter-030,Bearsden - Old Kilpatrik,55.3687897,-4.2897858
430Ter-031,Old Kilpatrik, A 82-railway,56.1292633,-4.4748114
430Ter-032,Old Kilpatrik fort,55.8598767,-4.4608461
430Ter-033,Old Kilpatrik, River Clyde,55.8239022,-4.4617669