Running lines5 tracks · 23 switches · 19 branches
Southern Line
DR · Down Relief (freight)54.626 km · 4.6 MGT/yr on this running line · 242 services/weekday · run 2026-06-18click the alignment to move the chainage cursor · 27.313 km 1Measured data
2Analysis overlay
Top 35 m SD
mm · 3 runs to 2026-06-18
Twist 3 m SD
mm · 3 runs to 2026-06-18
Alignment 35 m SD
mm · 3 runs to 2026-06-18
Gauge deviation
mm · 3 runs to 2026-06-18
RCF eddy current depth
mm · 3 runs to 2026-06-18
Rail head loss
mm · 3 runs to 2026-06-18
Rail side wear
mm · 3 runs to 2026-06-18
Ultrasonic crack - rail head
% head · 3 runs to 2026-06-18
Ultrasonic crack - rail foot
% foot · 3 runs to 2026-06-18
GPR ballast fouling index
% · 3 runs to 2026-06-18
Utilisation (MGT/yr)
MGT · 1 runs to 2026-06-18
OLE contact wire height
mm above TOR · 3 runs to 2026-06-18
OLE contact wire stagger
mm from centreline · 3 runs to 2026-06-18
OLE contact wire residual thickness
mm · 3 runs to 2026-06-18
OLE contact wire wear
% section loss · 3 runs to 2026-06-18
Switches & crossings
13 features
Level crossings
8 features
Geotechnical risk
9 features
Drainage assets
16 features
Ultrasonic defects
17 features
Overhead line equipment
28 features
RCF and wear grinding candidate
2 flagged lengths
Overhead line condition
1 flagged lengths
Track form
1 slab length · no ballast work
Planned work
7 planned items
Scroll to zoom about the cursor · drag to pan · every band shares one 10 mm-aligned chainage axis