Figure 1. Service quality model A flowchart shows expected and perceived service linked with delivery processes and seven service quality gaps. The flowchart begins with word of mouth communications, personal needs, and past experience, which together lead to expected service. Then expected se... More about this image found in Service quality model A flowchart shows expected and perceived service l...

Figure 2. Research framework (AHP, analytical hierarchy process; IPA, importance and performance analysis; SRAs, service requirement attributes) A flowchart shows S R A evaluation for ferry transportation using fuzzy A H P and I P A matrix leading to improvement policies. The flowchart begins ... More about this image found in Research framework (AHP, analytical hierarchy process; IPA, importance and ...

Figure 3. Importance and performance analysis diagram A scatter plot shows I P A matrix with attributes A 1 to F 5 across four quadrants of importance and satisfaction. The plot presents importance on the horizontal axis from low importance to high importance and satisfaction on the vertical a... More about this image found in Importance and performance analysis diagram A scatter plot shows I P A m...

Figure 1. Land transport system A hierarchical diagram illustrating the categorisation of land transport, including vehicles, network, and terminals with subcategories for individual and goods transport. The image presents a hierarchical diagram categorising land transport into three main sect... More about this image found in Land transport system A hierarchical diagram illustrating the categorisa...

Figure 2. Water transport system A hierarchical diagram illustrating different categories of water transport, including ships and boats, network, and terminals, with specific subcategories listed. The image is a hierarchical diagram depicting various categories related to water transport. At t... More about this image found in Water transport system A hierarchical diagram illustrating different cat...

Figure 3. Air transport system Flowchart illustrating the categories of air transport, including types of aircraft, network structures, and terminal classifications. The flowchart presents an organised overview of air transport, structured in a hierarchy. At the top is the broad category 'Air More about this image found in Air transport system Flowchart illustrating the categories of air transp...

illustrating the transport zones in London, organised into nine colour-coded regions. The zones are labelled from one to nine, with zone one at the centre and progressively expanding outwards. Various stations are marked within these zones, with specific symbols indicating the type of station: Zone 3/4, Zone 4 More about this image found in London transport fare zones map (computer-aided design representation) A...

Figure 5. London transport fare zones map (Google Earth representation; see Link to the cited article. ) A map of London surrounded by colour-coded zones, showing regions like Watford, Enfield, and Croydon. Key roads and parks are labelled. The image displays a map of London with concentric, ... More about this image found in London transport fare zones map (Google Earth representation; see Link to ...

Figure 6. Geometric (monotonically increasing function) versus statistical model (not monotonic function) A graph displaying three models for transport modes, with axes showing evaluations from negative to positive values. Key points and labels are included for clarity. The image presents a gr... More about this image found in Geometric (monotonically increasing function) versus statistical model (not...

Figure 1. Diagram of vehicle acceleration inspection sensor installation position: (a) installation section, (b) vehicle acceleration inspection system, (c) vehicle acceleration sensor A multi-panel illustration shows a high-speed train measurement system, including a train side view, a bogie d... More about this image found in Diagram of vehicle acceleration inspection sensor installation position: (a...

Figure 2. Acceleration data at different positions at different speeds: (a) left vertical axle box acceleration ( ABA ), (b) right vertical ABA, (c) lateral ABA, (d) vertical bogie frame acceleration ( BFA ), (e) lateral BFA, (f) longitudinal car body acceleration ( CBA ), (g) lateral CBA, (h) ver... More about this image found in Acceleration data at different positions at different speeds: (a) left vert...

Figure 3. The acceleration with a cumulative probability of 99% for each position: (a) axle box acceleration ( ABA ), (b) bogie frame acceleration ( BFA ), (c) car body acceleration ( CBA ) Three graphs present acceleration with speed for A B A, B F A, and C B A configurations, illustrating how... More about this image found in The acceleration with a cumulative probability of 99% for each position: (a...

Figure 4. The power spectrum density of the acceleration data at different positions at different speeds: (a) left vertical axle box acceleration ( ABA ), (b) right vertical ABA, (c) lateral ABA, (d) vertical bogie frame acceleration ( BFA ), (e) lateral BFA, (f) longitudinal car body acceleration... More about this image found in The power spectrum density of the acceleration data at different positions ...

Figure 5. Coherence analysis: (a) between the track longitude level and axle box acceleration ( ABA ), bogie frame acceleration ( BFA ) and car body acceleration ( CBA ); (b) between the vertical rail irregularity and the ABA, BFA and CBA Two graphs present coherence with wavelength for A B... More about this image found in Coherence analysis: (a) between the track longitude level and axle box acce...

Figure 6. (a) Vertical displacement and (b) power spectrum calculated using ( ABA ), bogie frame acceleration ( BFA ) and car body acceleration ( CBA ) Two graphs compare calculated results from A B A, B F A, and C B A, presenting difference, with mileage and power spectral density with freque... More about this image found in (a) Vertical displacement and (b) power spectrum calculated using ( ABA ), ...

Figure 7. Irregularity spectrum of various types of ballastless tracks calculated by inversion of axle box acceleration A graph presents power spectral density with wavelength for C R T S track structures, with annotations indicating simply supported girder bridge, base plate, and track slab r... More about this image found in Irregularity spectrum of various types of ballastless tracks calculated by ...

Figure 8. The periodic irregularities calculated by axle box acceleration: (a) China Rail Track System ( CRTS ) I-type plate 4.856 m and its concrete base 20 m; (b) CRTS II-type plate 6.5 m superimposed on a 32 m simply supported girder bridge; (c) CRTS III-type plate 5.6 m superimposed on a 3... More about this image found in The periodic irregularities calculated by axle box acceleration: (a) China ...