Buses And Their Length: Three Bus Lengths Explored

The length of three buses depends on the type of buses being measured. Buses come in a variety of sizes, from minibuses that can accommodate only ten people to bi-articulated buses that can carry more than 200 passengers. The most common type of bus is the single-deck rigid bus, with double-decker and articulated buses carrying larger loads, and midibuses and minibuses carrying smaller loads. School buses, for example, typically range from 20 to 45 feet in length, with buses that are 20-25 feet long considered mini or short, 25-35 feet long considered mid-size, and buses over 35 feet considered full-sized. In Australia, standard buses are typically 12.5 meters long, while long rigid buses are 14.5 meters, and articulated buses are 18 meters. The length of three standard Australian buses would be 37.5 meters, while three long rigid buses would be 43.5 meters, and three articulated buses would be 54 meters.

How long is a school bus?

School buses come in a variety of lengths, typically ranging from 20 to 45 feet. This range of options allows for flexibility when choosing a bus for personal or commercial use.

Bus Length Categories

Buses that are 20-25 feet long are typically considered mini or short. The mid-size category includes buses that are 25-35 feet long, while buses over 35 feet are classified as full-sized.

Factors Affecting Bus Length

The overall length of a school bus can vary depending on the state and its regulations, with some states limiting the maximum length to 40 feet and others allowing up to 45 feet. Additionally, the style of the bus, such as the placement of the engine, can impact the length. For example, front-engine buses tend to be longer than "pusher" buses, where the engine is located at the back.

Bus Length and Passenger Capacity

The length of a school bus is directly related to its passenger capacity. Typically, a 72-passenger bus will be around 34 feet long, an 84-passenger bus will be approximately 39 feet, and a 90-passenger bus will exceed 40 feet in length.

Choosing the Right Bus Length

When deciding on the appropriate bus length, it is essential to consider factors such as the number of occupants, intended driving routes, budget constraints, and conversion plans. For instance, larger buses may be more suitable for families or groups, but they are more challenging to manoeuvre and incur higher maintenance costs. On the other hand, smaller buses offer better gas mileage and are easier to drive and park, but they provide significantly less interior space.

Measuring Bus Length

When measuring bus length, it is common to refer to the bumper-to-bumper distance, providing the total exterior length of the vehicle. However, when converting a bus for alternative uses, the usable or buildable length, which excludes the engine and cockpit area, becomes more relevant. This interior length determines the available space for modifications and customisations.

The Window Rule for Bus Length Estimation

A quick way to estimate bus length is by using the Window Rule, which states that each window on a bus body typically adds about 2.5 feet to its length. By multiplying the number of windows by 2.5 and then adding an estimated length for the front of the bus, you can get a reasonable approximation of the total length.

Bus Length and Safety

While school buses offer a fun and social mode of transportation for students, safety should always be a priority. It is important to note that standing on a school bus is illegal, and seat belts are crucial for ensuring the safety of all passengers. Additionally, the safest seat for a child on a school bus is worth considering.

How long is a full-size bus?

The length of a full-size bus can vary depending on its type and purpose. School buses, for example, typically range from 20 to 45 feet in length, with an average length of around 36 to 40 feet. The maximum length allowed for a school bus in North America is 45 feet.

In comparison, motorcoaches or coaches tend to be longer, usually measuring between 40 and 45 feet in length.

The longest school bus ever built for daily use was the Gillig 855-DT-16, which was 40 feet long. However, there have been longer buses built for special purposes, such as the 77-foot-long bus made by Wayne for transporting oil workers in Saudi Arabia.

It is worth noting that bus lengths can also vary based on the manufacturer and customer specifications, with some buses being built to accommodate more legroom, extra equipment, or even garage design. Therefore, the only way to know the exact length of a specific bus is to measure it or refer to its specifications.

How long is a medium-size bus?

A medium-size bus typically ranges from 25 to 35 feet in length. This length classification falls between short buses (20-25 feet) and full-size or long buses (35-45 feet).

Medium-size buses offer a balance between manoeuvrability and interior space. They are easier to drive and can access tighter off-grid spots compared to full-size buses, while still providing ample room inside.

The interior width of a medium-size bus is typically around 7.5 feet, a standard width shared by most buses. This width, combined with the length, gives a sense of the overall interior square footage for potential conversion projects.

When planning a conversion, it's important to note that the usable or buildable length, excluding the engine and cockpit area, will be slightly shorter than the total length. Additionally, the location of the engine and wheel wells can impact the available space and floor plan.

In terms of passenger capacity, a medium-size bus can comfortably accommodate 2 people, pets, and even children. Some sources suggest that medium-size buses can include most, if not all, of the same features as a full-size bus, such as style, wheel size, and engine type.

However, one notable disadvantage of medium-size buses is that they typically require more than one parking space, and they can be harder to find and more expensive compared to shorter or full-size options.

When considering a medium-size bus, it's essential to take into account factors such as the number of occupants, intended use, power source, and budget. These factors will help determine if this bus size is the right choice for your needs.

How long is a short bus?

A short bus is typically considered to be a school bus that is between 20 and 25 feet long. These buses are also sometimes referred to as mini skoolies. They are generally suitable for one or two people and are more agile, making them easier to drive and park, especially in cities.

Short buses are a viable option for those who want something more manoeuvrable and don't want to tow an additional car. However, their smaller size means you'll have to compromise on living space and features. For example, many short buses don't have a toilet or shower.

When it comes to purchasing a short bus, they tend to be more expensive than their longer counterparts, often selling for $5,000 to $8,000. However, the conversion expenses will most likely be lower since you're working with a smaller space.

If you're considering a short bus for conversion, it's important to think about your budget, the number of people and pets that will be using the bus, and the amenities you consider essential. While short buses offer less space, they provide more flexibility and are generally adequate for individuals or couples.

How long is an articulated bus?

An articulated bus is a bus that can bend in the middle. It usually has a single-deck design and is made up of two rigid sections connected by a pivoting joint. This joint allows the bus to have a longer legal length than rigid-bodied single-decker buses, resulting in a higher passenger capacity while still being able to manoeuvre adequately on roads. Articulated buses typically have a length of 18 metres (59 feet) and a capacity of 94-120 passengers. They are commonly used in public transportation and are often incorporated into bus rapid transit systems.

The typical arrangement of an articulated bus involves a forward section with two axles towing a rear section with a single axle. However, some models have a steering mechanism on the back axle that turns slightly in the opposite direction of the front steering axle, allowing the bus to navigate turns more effectively. Articulated buses can also be categorised as "puller" or "pusher" configuration buses. In puller buses, the engine is usually mounted under the floor between the front and middle axles, powering only the middle axle. On the other hand, pusher buses have the engine mounted at the rear, powering only the back axle.

A less common variant of the articulated bus is the bi-articulated bus, which has two trailer sections instead of one. These buses have a capacity of around 200 passengers and a length of about 25 metres (82 feet). Due to their extended length, bi-articulated buses are primarily used on high-capacity, high-frequency routes and bus rapid transit services.

Frequently asked questions