Chaos theory outlines 'butterfly effect’ in which a tiny
change in initial conditions creates vastly different outcome. Something similar, if a little less complex, is happening in urban design & highways policy. We might call it the bin-lorry effect.....

https://www.createstreets.com/wp-content/uploads/2021/01/The-bin-lorry-effect-4a.pdf
Highways departments’ well-intentioned rules or guidance have had devastating effect on new housing developments leading to roads not streets, units not homes, & ‘could-be-anywhere’ housing developments, not real places with centres & edges...
As evidence to the #BuildingBetterBuildingBeautifulCommission put it....
Effect 1: Bin collectors cannot walk more than a few metres from lorry to a bin. Many local authorities say bin collectors must be able to pick up rubbish without walking
more than few metres. In Islington max is 10m. Leads to several unwanted outcomes ...
1) Large unsightly & environmentally damaging asphalt
turning areas are needed in almost every small side road
2) Underutilised dead spaces which could be used for
homes are left on edges of developments

A solution? Either extend the distance or permit communal bins
Effect 2: Designing our streets around bin lorries, instead of designing bin lorries around our streets. Developments should place human experience first. Instead we require street widths & designs on behalf of large bin-lorries and commercial vehicles.
An eg from Cheltenham: ‘all developments will need to cater for access by service vehicles of varying types, ranging from refuse collection vehicles to large articulated lorries'
The solution?

Design service vehicles so they adapt to traditional streets: smaller or rear axle turning vehicles, as already used in Lewisham & York. An opportunity to update public-sector vehicle standards is coming when electrifying fleets to comply with emissions targets.
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