Country Speed Limits: Tailoring Global Delivery Routes

Exploring global speed limits and adapting routes for cars, buses, and trucks with API

Highest posted speed limits around the world. The <a href="https://commons.wikimedia.org/wiki/File:World_Speed_Limits.svg" rel="nofollow" target="_blank">original image</a> is licensed under <a rel="nofollow" target="_blank" href="https://creativecommons.org/licenses/by-sa/4.0/">CC BY-SA 4.0</a>.
Highest posted speed limits around the world. The original image is licensed under CC BY-SA 4.0.

In today's fast-paced world, efficient logistics and transportation management are paramount for businesses and individuals alike. The challenge of navigating through diverse global speed limits for various types of vehicles — cars, buses, or trucks—adds a complex layer to route planning and optimization. This article delves into the intricacies of adapting delivery and transportation routes to comply with country-specific speed regulations, ensuring both safety and efficiency.

This article dissects global speed limit regulations and their seamless integration into our Routing APIs, ensuring compliance and efficiency in route optimization. We detail vehicle-specific speed constraints for trucks, buses, and more, enhancing route specificity and safety.

We further explore the customization of routes for specialized vehicles, acknowledging the diverse speed restrictions these vehicles face. We introduce the "max_speed" parameter in our Routing API, Route Matrix API, and Route Planner API, offering granular control over route speed settings to align with operational requirements and regulatory compliance. This feature enables precise route adaptation, optimizing logistics and transportation strategies across varied terrains and jurisdictions.

Understanding Global Speed Limits

Speed regulations across different countries exhibit a wide range of variations, reflecting diverse geographical, infrastructural, and legislative landscapes.

In an effort to simplify and provide a cohesive overview, we've categorized these regulations into four primary types of road environments: urban, rural, motorroad, and motorway. This classification allows us to present a more unified and accessible framework for understanding global speed limits, accommodating the common types of routes encountered in logistics and transportation planning:

  • Urban: Typically covers areas within city limits or densely populated regions where pedestrian traffic is high.
  • Rural: Refers to less populated areas, often encompassing secondary roads outside of urban centers.
  • Motorroad: A classification used in some regions to describe roads that are better than rural roads but not up to motorway standards, often with some access restrictions.
  • Motorway: High-capacity roads designed for fast traffic, with features that include multiple lanes, grade separation, and controlled access.

In the table below, we provide a consolidated view of speed limits across these categories:

Country / StateUrbanRuralMotorroadMotorway
Afghanistan-90--
Albania408090110
American Samoa15 mph25 mph--
Andorra5090120120
Angola6090100120
Antigua and Barbuda20 mph40 mph--
Argentina60110120130
Armenia6090-110
Aruba5080--
Australia/ACT50100--
Australia/NSW50100--
Australia/NT50110--
Australia/QLD50100--
Australia/SA50100--
Australia/TAS50100--
Australia/VIC50100--
Australia/WA50110--
Austria50100100130
Azerbaijan6090-110
Bahrain60100--
Barbados----
Belarus6090-110
Belgium/BRU3070-120
Belgium/VLG5070-120
Belgium/WAL5090-120
Benin5090-110
Bhutan3050--
Bolivia4080--
Bosnia and Herzegovina5080100130
Botswana60100--
Brazil60100110-
Brunei60---
Bulgaria5090120140
Burkina Faso5090--
Burundi5080100-
Cambodia60100--
Cameroon60110--
Canada/AB5080-100
Canada/BC5080--
Canada/MB5090--
Canada/NB5080--
Canada/NL5080-100
Canada/NS5080--
Canada/NT5090--
Canada/NU5090--
Canada/ON5080--
Canada/PE50100--
Canada/QC5090-100
Canada/SK-80--
Canada/YT----
Cape Verde5090100120
Central African Republic60110--
Chad60110--
Chile50100120-
China50--120
Colombia5090-120
Costa Rica5060--
Cote d'Ivoire70110-120
Croatia5090110130
Cuba5090-100
Curaçao406080-
Cyprus30 mph---
Czechia5090110130
Democratic Republic of the Congo6090120120
Denmark508080130
Dominican Republic3560--
Ecuador50100--
Egypt6090-100
El Salvador5090--
Equatorial Guinea60110--
Estonia5090--
Federated States of Micronesia-25 mph--
Federated States of Micronesia/KSA20 mph25 mph--
Federated States of Micronesia/PNI----
Federated States of Micronesia/TRK20 mph25 mph--
Federated States of Micronesia/YAP20 mph25 mph--
Fiji5080--
Finland50100--
France5080110130
Gabon60110--
Georgia6090-110
Germany50100130 (advised)130 (advised)
Ghana5090-100
Greece5090110130
Grenada20 mph40 mph--
Guam-45 mph--
Guatemala5080-100
Guernsey-35 mph--
Guyana30 mph40 mph-60 mph
Haiti50---
Hong Kong-50--
Hungary5090110130
Iceland5080--
India7070100120
Indonesia5080-100
Ireland5080100120
Isle of Man30 mph60 mph--
Israel508090110
Italy5090110130
Japan-60-100
Jersey-40 mph--
Kazakhstan60110-140
Kenya50100110-
Kiribati4060--
Kyrgyzstan6090-110
Latvia5090110-
Lesotho60100-120
Liberia25 mph45 mph--
Liechtenstein5080--
Lithuania5090120130
Luxembourg5090-130
Macau-60--
Malawi5080-100
Malta5080--
Marshall Islands25 mph40 mph--
Mauritius406080110
Mexico5080-115
Moldova5090110-
Monaco-50--
Mongolia6080100-
Montserrat20 mph40 mph--
Mozambique60120--
Myanmar (Burma)30 mph50 mph--
Namibia60100120120
Nauru-50--
Nepal4080--
Netherlands5080100130
Netherlands/BQ14060--
Netherlands/BQ22040--
Netherlands/BQ33050--
New Zealand50100--
Nicaragua4560-100
Niger50--110
Nigeria5080-100
North Macedonia5090110130
Norway5080-110
Pakistan5570110130
Palestinian Territory5080-110
Panama40100-120
Papua New Guinea60100--
Paraguay50110--
Peru406080100
Philippines30607080
Pitcairn Islands-30 mph--
Poland5090120140
Portugal5090100120
Puerto Rico25 mph45 mph-65 mph
Republic of Kosovo5080110130
Republic of the Congo60110--
Romania5090100130
Russia6090-110
Rwanda4080--
Saint Helena-30 mph--
Saint Kitts and Nevis20 mph40 mph--
Saudi Arabia50120--
Senegal-90-110
Serbia5080100120
Singapore5050--
Slovakia5090130130
Slovenia5090-130
South Africa60100-120
South Korea506080100
South Sudan45---
Spain3090-120
Sudan50---
Sweden5070-110
Switzerland5080100120
Taiwan-50--
Tanzania50110--
Thailand8090110120
The Bahamas25 mph45 mph--
The Bahamas/NP25 mph30 mph--
Timor-Leste5090100120
Trinidad and Tobago5080--
Tunisia5090-110
Turkey5090110120
Tuvalu-40--
Uganda5080100-
Ukraine5090110130
United Arab Emirates40100-120
United Kingdom30 mph60 mph70 mph70 mph
United Kingdom/SCT30 mph60 mph70 mph70 mph
United States/AK25 mph65 mph65 mph65 mph
United States/AL30 mph65 mph65 mph70 mph
United States/AR30 mph65 mph65 mph70 mph
United States/AZ25 mph65 mph65 mph75 mph
United States/CA25 mph65 mph65 mph70 mph
United States/CO30 mph65 mph65 mph65 mph
United States/CT40 mph50 mph55 mph65 mph
United States/DC25 mph--55 mph
United States/DE25 mph50 mph50 mph65 mph
United States/FL30 mph60 mph70 mph70 mph
United States/GA30 mph55 mph65 mph70 mph
United States/IA25 mph55 mph55 mph70 mph
United States/ID35 mph70 mph70 mph80 mph
United States/IL30 mph55 mph65 mph70 mph
United States/IN30 mph55 mph60 mph70 mph
United States/KS30 mph65 mph-75 mph
United States/KY35 mph55 mph65 mph70 mph
United States/LA35 mph55 mph65 mph70 mph
United States/MA30 mph55 mph55 mph65 mph
United States/MD30 mph50 mph55 mph70 mph
United States/ME25 mph55 mph55 mph75 mph
United States/MI25 mph65 mph65 mph75 mph
United States/MN30 mph60 mph-65 mph
United States/MO40 mph65 mph70 mph70 mph
United States/MT25 mph70 mph70 mph80 mph
United States/NC35 mph55 mph60 mph70 mph
United States/ND25 mph70 mph70 mph75 mph
United States/NE25 mph65 mph70 mph75 mph
United States/NH35 mph55 mph55 mph70 mph
United States/NJ25 mph55 mph55 mph65 mph
United States/NM30 mph70 mph--
United States/NV30 mph70 mph75 mph80 mph
United States/NY45 mph55 mph55 mph65 mph
United States/OH35 mph55 mph70 mph70 mph
United States/OK25 mph65 mph70 mph80 mph
United States/OR25 mph70 mph70 mph70 mph
United States/PA35 mph55 mph55 mph70 mph
United States/RI25 mph50 mph55 mph65 mph
United States/SC30 mph55 mph60 mph70 mph
United States/SD45 mph65 mph70 mph80 mph
United States/TN35 mph65 mph65 mph70 mph
United States/TX30 mph75 mph75 mph85 mph
United States/UT25 mph65 mph65 mph80 mph
United States/VA35 mph55 mph60 mph70 mph
United States/VT35 mph55 mph55 mph65 mph
United States/WA25 mph65 mph70 mph70 mph
United States/WI25 mph55 mph65 mph70 mph
United States/WV25 mph55 mph65 mph70 mph
United States/WY30 mph70 mph70 mph80 mph
Uruguay4590--
Uzbekistan70100--
Venezuela4070-90
Vietnam508090120
Virgin Islands20 mph35 mph--
Western Samoa25 mph35 mph--
Zambia40100--

To create the Speed Limits by countries table, we relied on OSM legal default speeds compilation available under CC BY-SA 2.0 license. These sources provide up-to-date and detailed information on speed regulations across different countries and road types.

Speed Limits and Vehicle Types

While the previous section offered a simplified overview of global speed limits categorized by road environments, it's important to understand that the real-world application of speed regulations is often more nuanced. Conditional cases based on vehicle type, time of day, weather conditions, and specific road features can significantly alter the applicable speed limits. These variations are crucial for logistics companies and transportation professionals who manage diverse fleets, including heavy goods vehicles (HGVs) and buses.

Speed Limits in Romania
Table of speed limit signs, arranged to show the maximum allowed speeds for different vehicle types across various road types in Romania

Heavy Goods Vehicles (HGVs) Speed Limits

HGVs, due to their size, weight, and the nature of goods they transport, are subject to specific speed limits that differ from those applied to personal vehicles. These limits are designed to enhance safety, given the increased stopping distances and maneuverability challenges associated with HGVs. For instance, a country might impose a general speed limit of 90 km/h on motorways for personal cars, but for HGVs, this limit could be reduced to 80 km/h or even lower, depending on the vehicle's weight and the type of cargo it carries.

Country / StateUrbanRuralMotorroadMotorway
Albaniatrailer: 35
articulated: 35
70
trailer: 70
articulated: 70
weightrating>12: 60
70
trailer: 70
articulated: 70
weightrating>12: 60
90
trailer: 80
articulated: 80
weightrating>12: 80
Angola50
articulated: 50
trailer: 40
80
articulated: 80
trailer: 70
80
articulated: 70
trailer: 70
90
articulated: 90
trailer: 80
Antigua and Barbuda15 mph25 mph--
Argentina-808080
Armenia-70-90
Austria-708080
Azerbaijan-70-90
Bahrain5080--
Belarus-70-90
Belgium---90
Benin-weightrating>10: 90-weightrating>10: 90
Bhutan-50
weightrating>3: 35
--
Bosnia and Herzegovina-80
weightrating>7.5: 70
trailer: 70
80
weightrating>7.5: 70
trailer: 70
80
weightrating>7.5: 70
trailer: 70
Botswana-80--
Brazil-9090-
Brunei-80
weightrating>7.5: 75
trailer: 75
articulated: 75
--
Bulgaria5080
trailer: 70
articulated: 70
90100
Cambodia-80--
Cameroon4090--
Cape Verde50
trailer: 40
80
trailer: 70
80
trailer: 70
90
trailer: 80
Central African Republic4090
weightrating>12.5: 60
trailerweight>0.75: 60
--
Chad4090--
Chile-100
weightrating>3.86: 90
100
weightrating>3.86: 90
-
China---100
Colombia-80-80
Cote d'Ivoire5090
weightrating>16: 80
-90
weightrating>16: 80
Croatia-808090
Cuba-80
trailer: 70
-90
trailer: 80
Czechia-808080
Denmark-808080
Ecuador-70
trailer: 50
--
Egypt-70-80
El Salvador4070--
Equatorial Guinea4090--
Estonia-60--
Fiji-weight>2.035: 60
weight>2.035: 50
trailer: 50
weight>2.035: 60
trailerweight>2.035: 60
weight>3.050: 40
trailer: 40
weight>3.050: 60
trailerweight>1.525: 60
trailers>=2: 25
--
Finland-80--
France-90
weightrating>12: 80
90
weightrating>12: 80
90
Gabon4090
weightrating>12.5: 60
trailerweight>0.75: 60
--
Georgia-70-80
Germany-80
weightrating>7.5: 60
80
weightrating>7.5: 60
80
trailers>=2: 60
Ghana-75
empty: 80
-75
empty: 80
Greece-80
articulated: 70
trailer: 70
80
articulated: 70
trailer: 70
85
articulated: 80
trailer: 80
Grenada-35 mph--
Guatemala4060-80
Guyana-40 mph-40 mph
Hong Kong-weightrating>5.5: 70--
Hungary-707080
India60608080
Ireland-808090
Isle of Man-50 mph
weightrating>7.5: 40 mph
--
Israel-weightrating>12: 80weightrating>12: 80weightrating>12: 80
Italy-80
weightrating>12: 70
trailer: 70
articulated: 70
80
weightrating>12: 70
trailer: 70
articulated: 70
100
weightrating>12: 80
trailer: 80
articulated: 80
Japan-80-80
Jersey-30 mph--
Kazakhstan-70-90
Kenya-80
trailer: 65
80
trailer: 65
-
Kyrgyzstan-70-90
Latvia-weightrating>7.5: 80110
Dec-Feb: 90
weightrating>7.5: 90
-
Lesotho-weightrating>9: 80-weightrating>9: 80
Lithuania-809090
Macau-50--
Malawi-weightrating>9: 80-weightrating>9: 80
Malta4060--
Mauritius--6080
Mexico---axles>=3: 80
axles>=3: 70
sunset-sunrise: 70
Moldova-7090-
Montserrat15 mph25 mph--
Mozambique-100--
Myanmar (Burma)----
Namibia-weightrating>9: 80weightrating>9: 80weightrating>9: 80
Nepal-70--
Netherlands-808080
Niger---weightrating>9: 90
Nigeria4550-60
North Macedonia-80
trailer: 70
weightrating>7.5: 70
80
trailer: 70
weightrating>7.5: 70
100
weightrating>7.5: 80
Norway-80-80
Pakistan-80
weightrating>2.268: 50
80
weightrating>2.268: 50
80
weightrating>2.268: 50
Palestinian Territory---weightrating>12: 90
Paraguay4090--
Peru---80
Philippines-505050
Poland-708080
Portugaltrailer: 4080
trailer: 70
90
trailer: 80
90
trailer: 80
Puerto Rico----
Republic of Kosovo-80
trailer: 70
weightrating>7.5: 70
85
trailer: 80
weightrating>12: 70
85
trailer: 80
weightrating>12: 70
Republic of the Congo4090--
Romania-80
trailer: 70
articulated: 70
weightrating>7.5: 70
weightrating>7.5: 60
trailer: 60
weightrating>7.5: 60
articulated: 60
90
trailer: 80
articulated: 80
weightrating>7.5: 80
weightrating>7.5: 70
trailer: 70
weightrating>7.5: 70
articulated: 70
110
trailer: 100
articulated: 100
weightrating>7.5: 90
weightrating>7.5: 80
trailer: 80
weightrating>7.5: 80
articulated: 80
Russia-70-90
Rwanda-60--
Saint Helena----
Saint Kitts and Nevis-30 mph--
Saudi Arabia3070--
Senegal-85
weightrating>10: 75
weightrating>16: 65
weightrating>22: 50
-85
weightrating>10: 75
weightrating>16: 65
weightrating>22: 50
Serbia-80
weightrating>7.5: 70
trailer: 70
80
weightrating>7.5: 70
trailer: 70
100
weightrating>7.5: 90
trailer: 90
Slovakia-90100100
Slovenia-80
trailer: 70
-90
trailer: 80
South Africa-weightrating>9: 80-weightrating>9: 80
Spain-80-90
Sweden90
articulated: 80
90
articulated: 80
-90
articulated: 80
Switzerland-80
trailer: 80
articulated: 80
80
trailer: 80
articulated: 80
80
trailer: 80
articulated: 80
Tanzania-80--
Thailandweight>2.2: 60weight>2.2: 80weight>2.2: 90weight>2.2: 90
Timor-Leste-80
trailer: 70
90
trailer: 80
90
trailer: 80
Trinidad and Tobago-65--
Tunisia-80-100
Turkey-80
trailer: 70
85
trailer: 75
90
trailer: 0
Uganda-6080-
United Arab Emirates-80-80
United Kingdom-50 mph60 mph70 mph
weightrating>7.5: 60 mph
articulated: 60 mph
United Kingdom/SCT-50 mph
weightrating>7.5: 40 mph
60 mph
weightrating>7.5: 50 mph
70 mph
weightrating>7.5: 60 mph
articulated: 60 mph
Uruguay-80--
Uzbekistan-80
trailer: 70
--
Vietnam-80
weightcapacity>3.5: 70
trailer: 60
90
weightcapacity>3.5: 80
trailer: 70
-
Virgin Islands10 mph30 mph--
Zambia-80--

Speed Limits For Buses

Buses, particularly those carrying passengers, also have unique speed regulations to ensure passenger safety and comfort. These limits might vary based on whether the bus is operating in urban or rural areas, the presence of dedicated bus lanes, and the type of bus service (e.g., local, intercity, or school buses).

For example, an urban area might enforce a speed limit of 50 km/h for general traffic but allow buses to travel at 60 km/h on certain roads equipped with dedicated bus lanes.

Country / StateUrbanRuralMotorroadMotorway
Albaniaweightrating>8: 35weightrating>8: 70weightrating>8: 70weightrating>8: 90
Angola50
trailer: 40
80
trailer: 70
90
trailer: 80
100
trailer: 90
Antigua and Barbuda15 mph25 mph--
Argentina-9090100
Armenia-70-90
Australia/ACT-weightrating>5: 100--
Australia/NT-weightrating>5: 100--
Australia/QLD-weightrating>5: 100--
Australia/SA-weightrating>5: 100--
Australia/TAS-weightrating>5: 100--
Australia/VIC-weightrating>5: 100--
Australia/WA-weightrating>5: 100--
Austria-80
articulated: 70
100
articulated: 80
100
articulated: 80
Azerbaijan-70-90
Bahrain5080--
Belarus-90
trailer: 70
-90
Belgium/BRU---90
Belgium/VLG---90
Belgium/WAL---90
Bhutan-35--
Bosnia and Herzegovina-80
articulated: 70
80
articulated: 70
100
articulated: 70
Botswana-80
length>10: 100
seats>=15: 100
trailer: 80
articulated: 80
--
Brazil-9090-
Brunei-80
trailer: 75
--
Bulgaria5080
trailer: 70
90100
Burkina Faso-90--
Burundi407070-
Cameroon-90
weightrating>12.5: 60
trailerweight>0.75: 60
--
Central African Republic-90
weightrating>12.5: 60
trailerweight>0.75: 60
--
Chad-90
weightrating>12.5: 60
trailerweight>0.75: 60
--
Chile-9090-
China---100
Colombia-80-80
Cote d'Ivoire5090-90
Croatia-80
articulated: 70
80
articulated: 70
100
Czechia-90110130
Democratic Republic of the Congo-759090
Denmark-8080130
Dominican Republic-50--
Ecuador4090--
Egypt-80-90
El Salvador4070--
Equatorial Guinea-90
weightrating>12.5: 60
trailerweight>0.75: 60
--
Estonia-60--
Fiji-60--
Finland-80--
France-80100
weightrating>10: 90
100
weightrating>10: 90
Gabon-90
weightrating>12.5: 60
trailerweight>0.75: 60
--
Georgia-70-80
Germany-80
weightrating>7.5: 60
trailer: 60
80
weightrating>7.5: 60
trailer: 60
80
trailer: 60
Ghana-80-80
Greece-8090100
Grenada-35 mph--
Guyana-40 mph-40 mph
Hong Kong-80
seats>=19: 70
--
Hungary-7070100
India606090100
Ireland-80100100
Isle of Man-40 mph--
Israel---100
Italy-weightrating>8: 80
articulated: 70
weightrating>8: 80
articulated: 70
weightrating>8: 100
articulated: 80
Japan-100
weightrating>8: 80
-100
weightrating>8: 80
Jersey-30 mph--
Kazakhstan-70-90
Kenya-80
trailer: 65
80
trailer: 65
-
Kyrgyzstan-70-90
Latvia--100
Dec-Feb: 90
-
Lesotho-100-100
Lithuania-8090100
trailer: 90
Luxembourg-75-90
weightrating>12: 75
Malawi-90
seats>=28: 80
articulated: 80
-90
seats>=28: 80
articulated: 80
Malta4060--
Mauritius---80
Mexico---95
sunset-sunrise: 80
Moldova-7090-
Montserrat15 mph25 mph--
Mozambique-100--
Namibia-100100100
Nepal-70--
Netherlands-808080
New Zealand-90--
Nigeria---90
North Macedonia-80
articulated: 70
80
articulated: 70
100
Norway-weightrating>3.5: 80-weightrating>3.5: 80
Pakistan-70
seats>=15: 65
70
seats>=15: 65
70
seats>=15: 65
Palestinian Territory---seats>=12: 100
Paraguay4090--
Peru---90
Philippines-505050
Poland-708080
Portugal-80
trailer: 70
90
trailer: 90
100
trailer: 90
Puerto Rico15 mph35 mph-55 mph
Republic of Kosovo-80100
weightrating>12: 80
100
weightrating>12: 80
Republic of the Congo-90
weightrating>12.5: 60
trailerweight>0.75: 60
--
Romania-80
trailer: 70
90
trailer: 80
110
trailer: 100
Russia-70-90
Saint Kitts and Nevis-30 mph--
Senegal-90
seats>=15: 70
-90
seats>=15: 70
Serbia-80
articulated: 70
80
articulated: 70
100
articulated: 90
Slovakia-90100100
Slovenia-80
articulated: 70
-80
articulated: 80
trailer: 80
South Africa-100-100
Spain-80-80
Swedenarticulated: 60articulated: 60-90
articulated: 60
Switzerland--100
trailer: 80
100
trailer: 80
Thailand60809090
Timor-Leste-80
trailer: 70
90
trailer: 90
100
trailer: 90
Trinidad and Tobago-65--
Tunisia-90
weightrating>10: 80
weightrating>12: 70
weightrating>19: 60
-110
weightrating>10: 100
weightrating>12: 90
weightrating>19: 80
Turkey-80
trailer: 70
90
trailer: 80
100
trailer: 90
Uganda-6080-
Ukraine-seats>=18: 90seats>=18: 90seats>=18: 90
United Arab Emirates-80-80
United Kingdom-50 mph60 mph70 mph
length>12: 60 mph
United Kingdom/SCT-50 mph60 mph70 mph
length>12: 60 mph
United States/CA---articulated: 55 mph
agricultural: 55 mph
United States/IL--55 mph70 mph
United States/IN---70 mph
United States/OR---55 mph
Uruguay-80--
Uzbekistan-80--
Vietnam-6070-
Virgin Islands10 mph30 mph--

These conditional speed limits underscore the complexity of route planning for commercial and public transportation. It's not just about adhering to the basic speed limits set for urban or rural roads; it's about understanding and integrating the specific regulations that apply to each vehicle type within your fleet.

Aligning Routing APIs with Global Speed Regulations

In the domain of logistics and transportation, the ability to navigate efficiently while adhering to speed regulations is paramount. This is where Routing APIs play a vital role, merging compliance with performance:

  • Routing API - Calculates the most efficient routes between two or more points, factoring in real-time traffic and road conditions.
  • Route Matrix API - Generates a matrix of travel times and distances for a set of origins and destinations, ideal for fleet management and logistics optimization.
  • Route Planner API - Offers comprehensive trip and schedule planning for complex itineraries, considering multiple stops and multiple vehicles.

By default, our APIs take into account the general speed limits and specific speed limits that apply to the roads being used. In addition, we use speed limits provided on road segments in OpenStreetMap.

While our Routing APIs utilize the "maxspeed" tag from OpenStreetMap (OSM) data to reflect general speed limits, it's important to note that some conditional speed limits are not considered in the route calculations. Fo example, those that apply under certain conditions, such as weather changes, time of day.

Here is an example of OpenSpeetMap tags for a Motorway segment in Austria:

TagValue
carriageway_ref4
highwaymotorway_link
int_refE 55
junction:ref298
lanes2
litno
maxspeed130
maxspeed:bus:conditional90 @ (22:00-05:00)
maxspeed:conditional110 @ (22:00-05:00)
maxspeed:hgv:conditional60 @ (22:00-05:00 AND weight > 7.5)
maxspeed:variablepeak_traffic
onewayyes
surfaceasphalt
tollyes

The "max_speed" parameter within our Routing APIs is a powerful feature that offers users the flexibility to set custom speed limits for their route calculations. This functionality is particularly beneficial for tailoring routes to specific vehicle types or operational requirements that may not align with the general speed limits provided by default.

Customizing Routes with "max_speed"

By using the "max_speed" parameter into API requests, customers can define an upper speed limit threshold that the routing algorithm will not exceed when calculating the most efficient path. This is crucial for several scenarios:

  • Vehicle-Specific Regulations: Different types of vehicles, such as heavy goods vehicles (HGVs) or buses, often have legal speed limits that are lower than those for personal vehicles. The max_speed parameter allows routes to be optimized in accordance with these specific limits, ensuring compliance and safety.
  • Operational Policies: Companies may have internal policies that dictate speed limits for their fleets that are below the legal maximums for reasons such as fuel efficiency or wear and tear. Setting a custom "max_speed" can help align the routing with these policies.
  • Safety Considerations: In certain conditions, such as hazardous weather or sensitive cargo transport, it might be prudent to plan routes with speed limits lower than those posted. The "max_speed" parameter facilitates this cautious approach.

When implementing the max_speed parameter, users simply append it to their API call with their desired speed limit value.

Example 1

The provided Routing API call calculates a truck route between two waypoints, with a custom maximum speed limit set to 80 kph:

https://api.geoapify.com/v1/routing?waypoints=51.822422,10.776373|48.037756,8.257920&mode=truck&max_speed=80&apiKey=YOUR_API_KEY

Example 2

This Geoapify Route Matrix APIcall calculates travel times and distances between multiple source and target locations, optimized for a medium-sized truck with maximal speed set to 50 mph:

{
  "type": "HTTP POST",
  "url": "https://api.geoapify.com/v1/routematrix?apiKey=YOUR_API_KEY",
  "headers": "Content-Type=application/json",
  "body": {
    "mode": "medium_truck",
    "sources": [
      {
        "location": [
          -96.833409,
          33.608884
        ]
      },
      ...
    ],
    "targets": [
      {
        "location": [
          -96.833409,
          33.608884
        ]
      },
      ...
    ],
    "units": "imperial",
    "max_speed": 50
  }
}

Example 3

The Route Planner API call tailored for a delivery service routes optimicazion with a speed limit set to 30 kph:

{
  "type": "HTTP POST",
  "url": "https://api.geoapify.com/v1/routeplanner?apiKey=YOUR_API_KEY",
  "headers": "Content-Type=application/json",
  "body": {
    "mode": "drive",
    "max_speed": 30,
    "agents": [
      {
        "start_location": [
          15.536389718028893,
          41.452276850000004
        ],
        "time_windows": [
          [
            0,
            7200
          ]
        ]
      },
      ...
    ],
    "shipments": [
      {
        "id": "order_1",
        "pickup": {
          "location_index": 0,
          "duration": 120
        },
        "delivery": {
          "location": [
            15.527847310329937,
            41.46297225
          ],
          "duration": 120
        }
      },
      ...
    ]
  }
}

Conclusion

In the fast-paced world of logistics and delivery services, efficiency and compliance are paramount. Our deep dive into Routing APIs has unveiled how these powerful tools can significantly enhance route planning by integrating legal speed limits, accommodating vehicle-specific requirements, and offering customization through features like the "max_speed" parameter.

We invite you to explore our APIs in a real-world context with our interactive Playground. It's the perfect starting point for developers and logistics professionals alike to experiment with API features, understand their capabilities, and see the immediate impact on route planning tasks.

Begin your journey with our APIs for free and discover the ease of integrating advanced routing solutions into your applications. As your needs evolve, you can seamlessly extend your usage to keep pace with your growing business demands. Start optimizing your routes today and drive your logistics operations into the future.

FAQ

How are speed limits determined?

Speed limits are determined by traffic safety engineers and local or state governments. They consider factors such as road type, traffic density, urbanization level, road characteristics, accident history, and the speed at which 85% of the traffic moves under free-flowing conditions, known as the 85th percentile speed.

What are the speed limits in California?

In California, the maximum speed limit on most highways is 65 mph, with some areas allowing up to 70 mph. Urban areas and residential streets typically have lower speed limits, ranging from 25 to 35 mph.

What are the speed limits in Texas?

In Texas, speed limits can vary widely. On state highways, they can range from 70 to 85 mph. Rural interstates may have limits up to 80 or 85 mph, while urban areas generally have limits between 30 and 70 mph, depending on the road type.

Where are there no speed limits?

The most famous example of roads without speed limits is the German Autobahn, although even some sections of the Autobahn now have speed limits. Certain other countries may have specific roadways or areas without defined speed limits, but they are the exception rather than the rule.

What states have 80 mph speed limits?

As of my last update, states such as Idaho, Montana, Nevada, South Dakota, Texas, Utah, and Wyoming have some roads with speed limits of 80 mph. It's important to check the current laws for each state, as these can change.

When were speed limits introduced?

Speed limits were introduced in the late 19th century with the rise of motor vehicles. The first speed limit was enacted in the UK in 1861, limiting vehicles to 10 mph.

How are speed limits integrated into Routing APIs?

Routing APIs use comprehensive mapping data, including OpenStreetMap (OSM), to integrate speed limits. These limits are factored into route calculations to ensure compliance with local regulations and optimize travel times.

Can Routing APIs adjust for different speed limits across countries?

Yes, Routing APIs automatically adjust for varying speed limits across different countries and regions by utilizing up-to-date mapping data that reflects local speed regulations.

Do Routing APIs consider conditional speed limits?

Most Routing APIs consider general speed limits by default. Conditional speed limits, such as those based on time of day or weather conditions, are more complex and may not be universally supported due to the variability and data availability.

Can I customize routes for different vehicle types with Routing APIs?

Yes, Routing APIs often allow for route customization based on vehicle type, such as cars, trucks, or buses, taking into account the specific speed limits and restrictions applicable to each vehicle type.

How does the "max_speed" parameter work?

The "max_speed" parameter allows users to set a custom speed limit for their route calculations. This can be particularly useful for specialized vehicles or specific operational policies that require adherence to speed limits lower than those posted.