Scores are relative 0–100 marks within this atlas. Use them to browse, not as an engineering spec.
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Quick answers
Which local authority or corridor rules matter for this type?
Start with the local lens: type approval, operator licences and the hubs named on this page — not a single global checklist.
Is this a buying guide?
No. Tool-Lifes /vehicles is an educational atlas. It explains history, systems and culture without affiliate rankings.
Are the scores official?
No. The six scores are relative editorial 0–100 marks across the twenty-four types on this site.
Where do the photos come from?
Lead images resolve from Wikimedia Commons via Wikipedia titles on the English masters, with licences recorded on the credits page.
Why metric units?
Metric is the default. Regional notes (US customary, local brand culture) appear in culture and market chapters.
How is this different from a wiki article?
Each type gets seven fixed-depth chapters, comparable scores and cross-type labs — structured for browsing, not a single freeform page.
Every Monorail is a negotiated stack of structure, energy conversion, control and human interfaces under weather and regulation.
The systems, meters and hotspots below are type-level engineering — manufacturers vary; load paths and failure modes do not.
Systems
Guideway beam & tires
Prestressed concrete or steel beam guides rubber-tired bogies; lateral guide wheels prevent derailment.
Linear or rotary traction
Many systems use AC motors on axles; some airport lines employ LIM propulsion on straight segments.
Switching beam sections
Movable guideway segments or turntables route trains at junctions with interlocked speed limits.
ATO/ATC cab
Automated operation with platform berthing sensors maintains tight headways on elevated loops.
Evacuation walkways
Elevated guideways include emergency walkways and rescue harness attachment points.
Weather envelope
Wind and lightning procedures govern elevated operation; ice heaters on contact surfaces where fitted.
Relative meters
Hotspots
Guide tire wear
Flat spots cause hunting and increase guide wheel load on curves.
Beam expansion joints
Misaligned joints transmit impact loads into bogie frames.
Switch actuator seals
Hydraulic leaks slow switch moves and block route setting.
Third-rail/pickup shoes
Carbon wear on elevated sections causes arcing during rain.
Emergency brake calipers
Rust on rarely used calipers fails proof tests.
Materials
Prestressed concrete beam
Long spans reduce piers in urban corridors.
Polyurethane guide tires
Compound tuned for wet guideway grip and low noise.
Weathering steel pylons
Protective patina reduces maintenance on exposed supports.
Epoxy-coated rebar
Extends beam life in coastal humidity.
Keep exploring
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Dedicated high-speed passenger trains reshaping corridors between cities.
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Urban rapid transit in tunnels and elevated guideways — the spine of dense cities.
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Heavy rail consists that move bulk and containers across continents.
Overall 58 🚊Tram
Street-running and light-rail vehicles stitching neighborhoods to centers.
Overall 65 🚄Maglev
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Overall 76 🚂Steam locomotive
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Cable-hauled cars on steep grades — cities and mountains climbing without adhesion alone.
Overall 58 🚞Rack railway
Trains that bite a toothed rack on steep grades — mountain lines where adhesion alone cannot hold.
Overall 53