---
title: "NSW: Updated - Changed traffic conditions on M1 Princes Mty, Mount Ousley Rd & Picton Rd"
description: Updated traffic conditions on M1 Princes Motorway and Picton Road for maintenance on select nights in March 2026. Plan your travel and check detours.
---

[News ](https://www.qta.com.au/news)

# [NSW: Updated - Changed traffic conditions on M1 Princes Mty, Mount Ousley Rd & Picton Rd](https://www.qta.com.au/news/nsw-changed-traffic-conditions-on-m1-princes-mty-mount-ousley-rd-picton-rd)

 Written by [Hubspot Author](https://www.qta.com.au/news/author/hubspot-author) | 10 February, 2026

*Source: Transport for NSW *

Transport for NSW advises of changed traffic conditions that will be in place on the M1 Princes Motorway and Picton Road over two Sunday nights for scheduled maintenance.

#### **When**

Full road closures of the M1 Princes Motorway (Mount Ousley Road) from Bulli Pass to Memorial Drive and Picton Road between the M1 Princes Motorway and Almond Street at Wilton will occur, between 8pm and 4am on:

- **Sunday 15 March, Monday 16 March and Wednesday 18 March 2026**
- **Sunday 22 March, Monday 23 March and Wednesday 25 March 2026 **

#### **Travel conditions**

Detours will be in place via Memorial Drive and Bulli Pass for **vehicles up to 19 metres and/or 50.5 tonnes. **

**These detours are not suitable for any OSOM vehicle or any vehicle exceeding 19 metres and/or 50.5tonnes. ****Operators of these vehicles are advised to delay their journey as no alternative detour is available. **

#### **Detour map**

****

#### **Please note**

Unless specified otherwise, operators of Class 1, 2 & 3 vehicles travelling under a Notice **must** consult their relevant enforceable network map to confirm a suitable **approved** alternate route.

Operators of Class 1, 2 & 3 vehicles travelling under a Permit **must not** travel off the approved route listed in the permit unless an updated permit is obtained from the NHVR.

#### **For the latest information**

For the latest traffic information, visit [https://www.livetraffic.com/incident-details/264331](https://www.livetraffic.com/incident-details/264331) or download the Live Traffic NSW app.

To receive updates direct to your phone, search for ‘Wilton - Picton Road’ in your Live Traffic app, select the incident and click ‘Follow’**  
** 

[View full post](https://www.qta.com.au/news/nsw-changed-traffic-conditions-on-m1-princes-mty-mount-ousley-rd-picton-rd)

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