WMUWellington Metro Upgradechainage tolerance ±10 mm
Running lines3 tracks · 8 switches · 4 branches
Hutt Valley LineJohnsonville LineDM · Down Main8 MGTUM · Up Main6.5 MGTLP1 · Mana Goods Loop0.9 MGT0.0 km11.0 km21.9 km32.9 km43.9 km54.8 km

Kapiti Line

UM · Up Main54.814 km · 6.5 MGT/yr on this running line · 116 services/weekday · run 2026-06-18
map data © OpenStreetMap contributors (ODbL) — tiles © CARTO
click the alignment to move the chainage cursor · 27.407 km
1Measured data
2Analysis overlay
3Work history
5Planned work
Chainage10 mm grid
0
5
10
15
20
25
30
35
40
45
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Wellington
Takapu Road
Kenepuru
Paremata
Pukerua Bay
Paekakariki
Paraparaumu
Waikanae
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
Structures
21 features
Switches & crossings
3 features
Level crossings
8 features
Geotechnical risk
9 features
Drainage assets
15 features
Ultrasonic defects
11 features
Overhead line equipment
22 features
Track geometry exceedance
2 flagged lengths
Fouling, drainage and geometry correlation
1 flagged lengths
Tamping efficiency exhausted
3 flagged lengths
Overhead line condition
4 flagged lengths
Work history
43 records
Planned work
2 planned items
27.407 km

Scroll to zoom about the cursor · drag to pan · every band shares one 10 mm-aligned chainage axis