✨ Traffic Sign Trial Details
NEW ZEALAND GAZETTE, No. 74 — 9 JULY 2015
"WHEN WET" black 120/17
Slippery surface supplementary - slippery when wet
The road may be slippery when wet – supplements W14-7
Shape and size: rectangle 750 x 500mm
Background: yellow (R)
Border: black 20mm
Legend:
| Description | Colour | Size |
|-------------|--------|--------|
| "SLIPPERY" | black | 125/18 |
| "WHEN WET" | black | 125/18 |
Slippery surface supplementary - slow when wet
The road may be slippery when wet, slow down – supplements W14-7
Shape and size: rectangle 750 x 500mm
Background: yellow (R)
Border: black 20mm
Legend:
| Description | Colour | Size |
|-------------|--------|---------|
| "SLOW" | black | 125/19.5|
| "WHEN WET" | black | 125/18 |
Note: The dimensions, descriptions and terms used to describe the signs in this notice conform with the opening notes in Schedule 1 of the Rule.

Schedule 3—Location
The locations approved for this trial are:
| Road Controlling Authority | Road | Location |
|---|---|---|
| NZ Transport Agency | SH 58 | RS 0/2.78 Haywards |
| NZ Transport Agency | SH 58 | RS 0/6.75 Judgeford |
| NZ Transport Agency | SH 58 | RS 0/12.08 Whitby |
Schedule 4—Period of trial
The trial may begin after the publication of this notice and, unless terminated earlier, must end by 30 April 2016.
Schedule 5—Conditions and evaluation
a. For the permanent (yellow (R)) signs:
i. one of the trial supplementary signs or the standard W14-7.2 "when wet" supplementary sign may be installed below a W14-7 slippery surface warning sign at each of the three trial sites. After a minimum period of one month, speed and headway data may be measured.
ii. When sufficient data has been collected, each of the supplementary signs shall be moved to a different
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✨ LLM interpretation of page content
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Slippery When Wet Supplementary Signs Trial
(continued from previous page)
🚂 Transport & Communications9 July 2015
Traffic Control Devices, Slippery Surface Signs, Road Safety, Trial, W3-2, W14-7
NZ Gazette 2015, No 74