A modal filter, sometimes referred to as a point closure, is a road design that restricts the passage of certain types of vehicle in

road transport Road transport or road transportation is a type of transport using roads. Transport on roads can be roughly grouped into the transportation of goods and transportation of people. In many countries licensing requirements and safety regulations e ...

. Modal filtering is often used to help create a

low traffic neighbourhood In the United Kingdom, a Low Traffic Neighbourhood (LTN) is an area in which filtered permeability and traffic calming are deployed to reduce motorised through-traffic in residential areas. Many LTNs were introduced in spring 2020, although the s ...

(LTN), where motor traffic is diverted away from residential streets and instead toward feeder roads. Modal filters can be used to achieve filtered permeability within a transport network, and can encourage walking and cycling through more pleasant environments and improved safety. Modal filters can be implemented through the use of barriers such as

bollard A bollard is a sturdy, short, vertical post. The term originally referred to a post on a ship or quay used principally for mooring boats. In modern usage, it also refers to posts installed to control road traffic and posts designed to pre ...

boom barrier A bar, post, pole, beam, or boom gate, also known as a boom or a boom barrier, is a beam or bar on a pivot used as a gate. The boom is lowered to block vehicular or pedestrian access through a controlled point or raised to permit such traffic. ...

s and planters, though filters can also be implemented virtually through the use of

automatic number-plate recognition Automatic number-plate recognition (ANPR; see also #Other names, other names below) is a technology that uses optical character recognition on images to read vehicle registration plates to create vehicle location data. It can use existing clos ...

cameras A camera is an instrument used to capture and store images and videos, either digitally via an electronic image sensor, or chemically via a light-sensitive material such as photographic film. As a pivotal technology in the fields of photograp ...

and

road signs Traffic signs or road signs are signs erected at the side of or above roads to give instructions or provide information to road users. The earliest signs were simple wooden or stone milestones. Later, signs with directional arms were introduc ...

, which can allow residential motor access while prohibiting passing motor traffic. Modal filters are often the result of circulation plans by

local government Local government is a generic term for the lowest tiers of governance or public administration within a particular sovereign state. Local governments typically constitute a subdivision of a higher-level political or administrative unit, such a ...

Gallery

File:Low Traffic Neighbourhood (LTN) trial of a modal filter in the London Borough of Kingston upon Thames.jpg, A trial modal filter using easily moved planters in

London London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...

. File:LTN modal filter 'road open to' sign.jpg, A sign explains what kind of traffic is allowed through the modal filter. File:Modal filter at Boeckhstrasse Graefestrasse intersection Kreuzberg Berlin looking west.jpg, Permanent modal filter in

Kreuzberg Kreuzberg () is a district of Berlin, Germany. It is part of the Friedrichshain-Kreuzberg borough located south of Berlin-Mitte, Mitte. During the Cold War era, it was one of the poorest areas of West Berlin, but since German reunification in ...

, Berlin

References

{{reflist

Gallery

See also

References