Running lines3 tracks · 10 switches · 6 branches
Kapiti LineJohnsonville LineMelling LineWairarapa LineDM · Down Main6.7 MGTUM · Up Main5.4 MGTLP1 · Taita Goods Loop0.7 MGT0.0 km6.4 km12.8 km19.1 km25.5 km31.9 km

Hutt Valley Line

DM · Down Main31.888 km · 6.7 MGT/yr on this running line · 128 services/weekday · run 2026-06-18
map data © OpenStreetMap contributors (ODbL) — tiles © CARTO
click the alignment to move the chainage cursor · 15.944 km
1Measured data
2Analysis overlay
3Work history
5Planned work
Chainage10 mm grid
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Wellington
Ngauranga
Petone
Woburn
Naenae
Taita
Manor Park
Silverstream
Trentham
Upper Hutt
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
22 features
Switches & crossings
4 features
Level crossings
5 features
Geotechnical risk
5 features
Drainage assets
10 features
Ultrasonic defects
6 features
Overhead line equipment
13 features
Track geometry exceedance
3 flagged lengths
Fouling, drainage and geometry correlation
2 flagged lengths
Tamping efficiency exhausted
2 flagged lengths
Overhead line condition
2 flagged lengths
Work history
28 records
Planned work
3 planned items
TAMP
TAMP
TAMP
TAMP
TAMP
15.944 km

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