The table below outlines the key design features of streets and the numbers of dwellings they should serve.

Street type	Street description	Guide to number of dwellings served	Carriageway width, cycle and pedestrian requirements	Target maximum driver speed	Maximum gradient	Centre line radius	Kerb radii	Comments
A	Local distributor	n/a	7.3m and 1 x 2m footway + 1 x 3.5m cycle/footway. Buses to use full laybys. Pedestrian and cycle crossings to be provided on identified desire lines.		5%	DMRB	10m for residential use, 15m for industrial or mixed use	Multi-purpose through route and classification as county route required (PR2). Minimum 3m wide verges. Built frontage but no direct access. A straight section of carriageway to be provided from the entrance junction for 30 metres. Street lighting will be provided in accordance with ECC Operational Plan.
B	Link	n/a	6.75m and 1 x 2m footway + 1 x 3.5m cycle/footway. Buses to use half laybys or stop on carriageway. Pedestrian and cycle crossings to be provided on identified desire lines.	30mph	5%	44m	10m	Links neighbourhoods and also serves non-residential or industrial uses. Public transport route. Minimum 3m wide verges. No parking unless off carriageway provision is made. Built frontage but no frontage access within 15m from junctions. Egress in forward gear only within 15 - 30m from junctions. A straight section of carriageway to be provided from the entrance junction for 22 metres. Street lighting will be provided in accordance with ECC Operational Plan.
C	Mixed Use	n/a	6.75m carriageway comprising of two 3m running lanes with generally a 0.75m central over run-able strip (can be wider) and 2 x 2m footways. Bus route.	20mph	5%	20m	10m on a bus route otherwise 6m	Major streets in urban centres. Serves mixed uses. On-street parking in bays. Street trees required. A straight section of carriageway to be provided from the entrance junction for 22 metres. Street lighting to be provided in accordance with ECC operational Plan.
D	Feeder	700 units	6m or 6.75m if a current bus route now or one is expected in the future. 1 x 2m footway + 1 x 3.5m cycle/footway.	20mph	8% 6% on a bus route	20m	6m  10m on a bus route	May serve residential and non-residential uses. A 30 mph speed limit may be considered on a public transport route where it is not possible to provide appropriate traffic calming for a 20mph speed limit. 3 metre wide verges. No parking unless off carriageway provision is made. No frontage access within 15m from junctions. Egress in forward gear only within 15 - 30m from a junction. A straight section of carriageway to be provided from the entrance junction for 22 metres. Street lighting will be provided in accordance with ECC Operational Plan.
E	Access	400 units on a loop or 200 units in a cul de sac	5.5m and 2 x 2m footways. 1 x 2m footway if fewer than 25 dwellings are served	20mph	8%	Minimum 13.6m maximum 30m	6m	Provide direct access to dwellings. A straight section of carriageway to be provided from the entrance junction for 15 metres. Street lighting will be provided in accordance with ECC Operational Plan.
F	Minor access	25 units in a cul de sac	Combined pedestrian and vehicular surface of 6m. Maximum length around 125m. Localised narrowing where appropriate.	20mph	8%	Minimum 13.6m Maximum 30m		Provide direct access to dwellings. Tabled entrance and priority for pedestrians and cyclists across junctions. A straight section of carriageway to be provided from the entrance junction for 15 metres. Street lighting not required.
G	Mews court	20 units	Combined pedestrian and vehicular surface of 6m. Maximum length around 50m. Localised narrowing where appropriate.	20mph	8%	Minimum 13.6m maximum 30m		Special junction detail featuring entrance ramp/table. Priority for pedestrians and cyclists across junctions. A constricted entrance enclosed by buildings or walls for the first 8m back from the approach street (except for the 1.5m by 1.5m pedestrian visibility splays). No doors, gates or other entrances may open on to the mews within this first 8m. No projections over the net adoptable area of the mews court. No windows, doors or other projections should extend over public areas. A straight section of carriageway to be provided from the entrance junction for 10 metres. Street lighting not required
H	Shared private drive	5 units maximum	5.5m for first 6m tapering down to a lesser width. Desirable maximum length 18m, longer requires a turning head of size 5 and passing bays.		8%			Where a private drive joins a 20mph network the width may be reduced. A straight section of carriageway to be provided from the entrance junction for 6 metres. Street lighting not required.

For all street types junction and forward sight-splays to comply with current policy standards; refer to DMRB or Manual for Streets.

For a full description on each of the street types see Street Type Description page.