Kerb & Channel

Kerb & Channel (also Kerb & Gutter) is a concrete or stone structure typically located at the edge of a road designed to provide road drainage, and as a barrier to prevent vehicles from leaving the road carriageway.

Kerb-and-Channel4.jpg Kerb_and_Channel.jpg Fully-Mountable-Kerb-and-Channel.jpg

More Kerb & Channel Photos

Useful Life

The useful life of kerb & channel will vary considerably due to a range of environmental & other factors. A life of 50-80 years is typical for kerb & channel in some areas.

The table below shows the useful life for kerb & channel adopted by a number of Councils or suggested by other organisations. Please feel free to add your Councils information.

Council/Organisation Adopted Life
Bundaberg Regional Council 65 years
Infrastructure Asset Useful Lives Report 40-75 years
Ryde City Council 120 years
South Dakota 20 years
Whittlesea City Council 100 years
National Asset Management Manual 50-80 years

One factor that may effect the useful life of kerb & channel is the way it was constructed.

Kerb & Channel Construction

Kerb & Channel can be constructed either by hand or with a Kerb & Channel Machine.

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Kerb & Channel Profiles

The side elevation shape of kerb and channel is known as the kerb & channel profile.

There are three common Kerb & Channel profiles:

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Kerb & Channel is most often of concrete construction, but older suburbs often retain the older bluestone style of kerb & Channel shown below.


Kerb & Channel Maintenance

The flow of water along a section of kerb & channel can be adversely affected by an accumulation of aggregate, dirt or debris. This problem can be remedied by removing this material using a street sweeper.

Kerb & Channel Repairs

The most common method of repairing concrete kerb & channel, is to replace it. The adjacent road surface is typically disturbed will need to be patched after the kerb has cured.


Related Pages


The following site members have contributed to this page:

External Links & References

  1. Wikipedia Article
  2. NAMS.AU Practice Notes - the page includes a link to the preamble of Practice Note 2: Kerb & Channel / Gutters.
  3. Slipform Kerb & Channel Construction (Kelcrete)
  4. Google Search (Kerb & Channel)

Notes (Edit)

Kerb & Channel is generally considered to be part of the Road Network, but it can also be thought of as being part of the Drainage Network.


Kerb & Channel is typically constructed to one of a number standard profiles. ADAC lists 25 types of road edges, which are based on DMR Drawing No.1033.

B1 Barrier Kerb Type 5
B2 Barrier Kerb & Channel Type 6
B3 Barrier Kerb & Channel Type 7
B4 Barrier Kerb & Tray Type 23
B5 Barrier Kerb & Tray Type 24
SM1 Semi-Mountable Kerb Type 8
SM2 Semi-Mountable Kerb Type 10
SM3 Semi-Mountable Kerb Type 12
SM4 Semi-Mountable Kerb & Channel Type 14
SM5 Semi-Mountable Kerb & Channel Type 15
M1 Mountable K&C
M2 Mountable K&C
M3 Mountable K&C
M4 Mountable Kerb
M5 Mountable Kerb
M6 Mountable Kerb
ER1 Edge Restraint
ER2 Edge Restraint
ER3 Edge Restraint
ER4 Edge Restraint
ER5 Edge Restraint
INV600 Concrete Channel Type 22
INV900 Concrete Channel Type 28
BITUMEN Bitumen Road Edge
CONC Concrete Road Edge

Standard Drawings

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