Tag:boundary=limited_traffic_zone

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boundary = limited_traffic_zone
Description
An area that requires authorization for the entry of certain vehicles, sometimes for specific periods. Show/edit corresponding data item.
Group: boundaries
Used on these elements
should not be used on nodesshould not be used on waysmay be used on areas (and multipolygon relations)may be used on relations
Useful combination
See also
Status: in usePage for proposal
More details at taginfo
Tools for this tag

A limited traffic zone (LTZ) is an officially designated area that requires authorization for the entry of certain vehicles, sometimes for specific periods. It is related to, but distinct from, boundary=low_emission_zone (LEZ). About 350 Italian cities have LTZs, and 250 have LEZs. Although not as numerous, LTZs also exist in Spain, Portugal, France and Poland.

Nominatim supports these areas when given a name=*. Mapping these areas does currently not affect typical rendering or routing.

Country-specific information

Italy (list incomplete*)

Name Active since Limitations Status Link Last Update Notes
Bologna 1989 Working relation ZTL Centro Storico
way Zona T
relation Zona U
way ZTLS Moline-Capo di Lucca
way ZTLS Pratello-San Francesco 		2025-12-08 Work in progress: Access restrictions on ways are missing
Cagliari Working relation Marina
relation Castello
way Villanova
way Stampace Alto
way Stampace Basso
relation Poetto
Castellina in Chianti Working relation ZTL Castellina in Chianti
Crema 2019-12-01 Working relation Centro Storico 2025-05-23
Firenze 1990 Working relation Settore A
relation Settore B
relation Settore O 		2025-05-20
Milano Working relation Area B
relation Area C
Modena Working relation ZTL
Montecatini Terme Working relation Centro 2025-05-22
Monza Working relation ZTL
Niederdorf - Villabassa Working way ZTL
Padova Working relation Zona A e B 2025-05-20
Palermo Working relation Centrale
Pistoia Working relation Centro Storico
Pitigliano Working way Zona A
way Zona B
way Zona C
Prato Working relation Zona A 2025-05-22
Reggio Emilia Working relation ZTL
Riva del Garda Working relation ZTL
Roma Working relation ZTL
Talamone Working relation ZTL 2025-09-09
Terni Working relation Centro Storico 2025-05-23
Trento Working relation ZTL Centro Storico 2025-05-28 Refreshed relation after accidental deletion in changeset #165413736
Torino Working relation Centrale 2025-05-21

Hungary

Budapest

More info in Hungarian: Hu:Budapest#Védett és korlátozott övezetek

There are 2 kinds of limited traffic zones in Budapest: protected zones and restricted zones.

Protected zones don't have special traffic signs, and they are closed to general motor vehicle traffic. Some of them have lift gates on their entrances.

Protected zones
Code/Link Name Limitations Notes
relation VÖx V. kerület belső harmada
relation OPx Magyar Állami Operaház környéke
relation POx Budai Vár
relation OFx Óbudai Fő tér környéke
relation SBx Szent István Bazilika környéke
relation NLx Népliget
relation JHx Normafa környéke
relation VLx Városliget
relation RPx Római-part
HSx Óbudai-sziget Not mapped yet
relation MSx Margitsziget
Road sign of the 7.5 t restricted zone in Budapest

Restricted zones limit only heavy goods vehicle traffic, and they cover most of the city. On OSM the restrictions are not mapped on each ways, only on the boundary relations.

Restricted zones
Weightrating Code/Link Name Limitations Notes
3.5 t relation P35 Pest maxweightrating:hgv:conditional=3.5 @ (07:00-18:00,22:00-05:00)
relation B35 Buda
relation B35 maxweightrating:hgv:conditional=3.5 @ (07:00-18:00,22:00-05:00); none @ destination
relation KV35 Kelenvölgy maxweightrating:hgv=3.5
relation DP35 Dél-Pest maxweightrating:hgv:conditional=3.5 @ (12:00-17:00,19:00-10:00)
relation DP35 maxweightrating:hgv:conditional=3.5 @ (12:00-17:00,19:00-10:00); none @ destination
7.5 t relation EB75 Észak-Buda maxweightrating:hgv:conditional=7.5 @ (07:00-18:00,22:00-05:00)
relation P75 Közép-Pest
relation P75 maxweightrating:hgv:conditional=7.5 @ (07:00-18:00,22:00-05:00); none @ destination
relation DP75 Pesterzsébet maxweightrating:hgv=7.5
relation CS75 Csepel-Csillagtelep
12 t relation ÉP1 Észak-Pest maxweightrating:hgv=12
relation ÉP1
relation EB1 Észak-Buda maxweightrating:hgv=12 WIP
relation EB1
WIP
HB1 Hegyvidék maxweightrating:hgv=12 Not mapped yet
DB1 Dél-Buda Not mapped yet
KP1 Kelet-Pest Not mapped yet
DP1 Dél-Pest Not mapped yet
CS1 Csepel Not mapped yet

Access restrictions on ways

It is recommended to detail the access restrictions on the affected ways. Some important things to note:

  • Ground signage may indicate that different restrictions apply to different ways within the same zone.
  • Use vehicle=*, as access=* applies to all modes of transport, including pedestrians, for which such restrictions do not apply.
  • Use vehicle=private unless an access permit is routinely granted to almost everyone requesting it; in this case, use vehicle=permit.
  • Use motor_vehicle=private and moped=yes if access is restricted only to autoveicoli and motoveicoli, as those two categories encompass almost all motor vehicles except for mopeds.[note 1]
  • Use bicycle=dismount to allow correct routing unless cycling is allowed.[note 2]
  • City legislation may establish permissions that are not explicitly stated on signs and that can be mapped, for example, psv=yes and bicycle=yes.
  • It is sometimes necessary to change highway=* if the way is not normally open to most vehicles and does not have the normal design of a street built for traffic, normally to highway=pedestrian, as highways should be classified according to their intended main use.
Examples of limited traffic zones signs and their representation on ways
Sign Tags on ways

Surveillance cameras

When surveying these areas, it may be interesting to observe the position of the zone's access surveillance cameras, usually located close to the access restriction signs, and add them to the map as points with man_made=surveillance + surveillance=public + surveillance:type=camera + surveillance:zone=traffic + camera:type=fixed + camera:mount=pole or similar. Furthermore, the watched point and direction can be represented using an enforcement relation with enforcement=access.

Notes

  1. ↑ trolleybuses, agricultural machinery, snowplows and construction machinery are not part of them either
  2. ↑ A controversial and politically charged subject in Italy, articles 47(1.c) and 3(1.54) of the Italian Traffic Code define bicycles as vehicles and ZTLs as areas where vehicle movement is limited (hence the use of the "no vehicles" sign), but article 3(1.2) allows cycling in pedestrian areas. This contrast seems to cause confusion in the interpretation of the law and lead some local administrations to make prohibition explicit in the signage, while permission is usually indicated on the standard panel listing exempt vehicle categories.
  3. ↑ Permit is generally not required when the way is likely to be traveled, only outside of busy times.

External links

Retrieved from "https://wiki.openstreetmap.org/w/index.php?title=Tag:boundary%3Dlimited_traffic_zone&oldid=2928314"