We're committed to carrying out comprehensive monitoring of schemes introduced under our ambitious Streets for People initiative.
The need for monitoring
Monitoring of Streets for People schemes is needed to:
- inform us and the public on the impact of schemes
- establish whether schemes are delivering the intended objectives
- inform whether any changes are required to trial schemes while they are in force, or to any subsequent permanent schemes
- inform whether any changes are required to agreed exemptions
- support continuous improvement in how we deliver active travel schemes
Monitoring approach
Things we will monitor across the Streets for People initiative include:
- motor traffic
- traffic speeds
- journey times
- levels of walking and cycling
- bus journey times
- emergency response times
- air quality
- collisions
- non-vehicle use of residential streets (through perception surveys)
- economic impacts (monitored through business perception surveys)
Monitoring of specific schemes
The following documents set out the monitoring approach for specific Streets for People schemes:
- Bounds Green LTN monitoring strategy
- Bruce Grove West Green LTN monitoring strategy
- St Ann's LTN monitoring strategy
Monitoring reporting
Monitoring data will be published on My Haringey when it is available. To access the data, click on the 'My Maps' tab and click the 'Streets for People - Monitoring' map category.
The council commissioned a wide range of monitoring data prior to the implementation of the LTNs. The pre-implementation data has already been uploaded onto the maps on My Haringey.
Monitoring tools
We use different tools to monitor the Streets for People schemes.
Automatic traffic counters
Automatic traffic counters measure traffic flow (volume) and speed. They use pneumatic tubes installed across the width of a road and classify vehicles into various groups, such as cars, buses and heavy commercial vehicles. Automatic traffic counters are typically installed for one week.
Manual classified counts (sometimes called 'turning counts')
Manual classified counts are carried out using either enumerators or video cameras. They are normally used to collect junction turning counts by vehicle class and can provide volume, class, and origin and destination data for a specific time (for example, 12 hours or peak periods).
VivaCity data
VivaCity Labs Ltd uses camera artificial intelligence sensors to accurately measure up-to-the-minute urban traffic movements. Their cameras record classified count data (9 modes of transport), vehicle paths, median journey time and speed.
We've signed a contract with VivaCity Labs Ltd for 27 sensors across Haringey, which will be collecting data 24 hours a day for a minimum of 5 years.
Air quality – diffusion tubes
Diffusion tubes are widely used for indicative monitoring of ambient nitrogen dioxide (NO2). They take a sample over a period of time (typically 1 month), which allows assessment against the annual objective of 40 µg/m3. Their accuracy is limited, therefore the results must be adjusted based upon local or national co-location studies with chemiluminescent analysers.
Air quality sensors
The technology provided by eLichens allows the council to collect live air quality information minute by minute. This includes concentration of CO2, PM1.0, PM2.5, PM10, temperature, ambient light, pressure, humidity, NO2 and Ozone O3.
The air quality data and VivaCity cameras output will be updated quarterly.