AKLAuckland Metro Networkchainage tolerance ±10 mm
Running lines4 tracks · 12 switches · 18 branches
Southern LineEast-West LineDM · Down Main2.1 MGTUM · Up Main1.7 MGTSL · Onehunga Branch1.9 MGTLP1 · Baldwin Ave Goods Loop0.2 MGT0.0 km5.5 km10.9 km16.4 km21.8 km27.3 km

Onehunga & Western Line

UM · Up Main27.278 km · 1.7 MGT/yr on this running line · 92 services/weekday · run 2026-06-18
map data © OpenStreetMap contributors (ODbL) - tiles © CARTO
click the alignment to move the chainage cursor · 13.639 km
1Measured data
2Analysis overlay
3Work history
5Planned work
Chainage10 mm grid
0
2
4
6
8
10
12
14
16
18
20
22
24
26
Onehunga
Penrose
Greenlane
Newmarket
Maungawhau (Mt Eden)
Morningside
Mt Albert
Avondale
New Lynn
Glen Eden
Sunnyvale
Henderson
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
6 features
Level crossings
4 features
Geotechnical risk
5 features
Drainage assets
8 features
Ultrasonic defects
5 features
Overhead line equipment
11 features
Tamping efficiency exhausted
1 flagged lengths
Work history
21 records
Planned work
1 planned items
TAMP
TAMP
TAMP
TAMP
TAMP
TAMP
TAMP
TAMP ×2
TAMP ×3
unpackaged
13.639 km

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