ISMTBOM 2022
International Specification for MTB Orienteering Maps
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101 Contour
Geometry: line. Definition A line joining points of equal height. The standard vertical interval between contours is 5 m. A contour interval of 10 m may be used in steep…
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102 Index contour
Geometry: line, text. Definition Every fifth contour shall be drawn with a thicker line. This is an aid to the quick assessment of height difference and the overall shape of…
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104 Earth bank
Geometry: line. Definition An earth bank is an abrupt change in ground level which is clearly distinct from its surroundings, e.g. gravel or sand pits, road and railway cuttings or…
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105 Earth wall
Geometry: line. Definition Distinct earth wall. Parameters Minimum height: 1 m. Minimum length: 1.6 mm (footprint 24 m). Colour: brown.
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107 Erosion gully
Geometry: line. Definition An erosion gully which is too small to be shown using symbol Earth bank (104) is shown by a single line. Parameters Minimum length: 1.15 mm (footprint…
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108 Small erosion gully
Geometry: line. Definition A small erosion gully or trench which is a significant aid to navigation, where riders should not need to dismount. Contour lines should be broken around this…
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109 Small knoll
Geometry: point. Definition A small obvious mound or rocky knoll which cannot be drawn to scale with a Contour (101), Index contour (102). The symbol shall not touch or overlap…
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201 Impassable cliff
Geometry: line. Definition A cliff, quarry or earth bank that is so high and steep that it is impossible to pass/climb or is dangerous.For vertical rock faces the tags may…
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204 Boulder
Geometry: point. Definition A distinct boulder (should be higher than 1 m), which is immediately identifiable on the ground. Boulders should be omitted from maps where they are abundant and…
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206 Gigantic boulder or rock pillar
Geometry: area. Definition A gigantic boulder, rock pillar or massive cliff shall be represented in plan shape. The objects can vary in shape and width. Parameters The gap between gigantic…
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210 Stony ground
Geometry: area. Definition Stony or rocky ground which reduces rideability to about 60-80% of normal speed.The dots should be randomly distributed but not interfere with the representation of important terrain…
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213 Open sandy ground
Geometry: area. Definition An area of soft sandy or soft gravelled ground where cycling is difficult or impossible, but it is permitted to ride.The symbol is orientated to north. Parameters…
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214 Bare rock
Geometry: area. Definition An area of rock without earth or vegetation should be shown as bare rock. An area of rock covered with grass, moss or other low vegetation, shall…
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301 Uncrossable body of water
Geometry: area. Definition The blue bank line emphasises that the feature is uncrossable.Dominant areas of water may be shown with 50% colour. Small areas of water and bodies of water…
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304 Crossable watercourse
Geometry: line. Definition Should be at least 2 m wide. Parameters Minimum length (isolated): 1 mm (footprint 15 m). Colour: blue.
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305 Crossable small watercourse
Geometry: line. Definition Crossable small watercourse. Parameters Minimum length (isolated): 1 mm (footprint 15 m) Colour: blue.
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306 Minor/seasonal water channel
Geometry: line. Definition A natural or man-made minor water channel which may contain water only intermittently. Parameters Minimum length (isolated): two dashes (2.75 mm – footprint 41.25 m). Colour: blue.
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307 Uncrossable marsh
Geometry: area. Definition A marsh which is uncrossable or dangerous for the competitor. The blue outline emphasises that the feature is uncrossable. The blue outline is omitted for boundaries between…
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308 Marsh
Geometry: area. Definition A crossable marsh, usually with a distinct edge. The symbol shall be combined with other symbols to show rideability and openness.The symbol is orientated to north. Parameters…
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313 Prominent water feature
Geometry: point Definition The definition of the symbol must be given on the map.The symbol is orientated to north. Parameters Footprint: 16.5 m × 16.5 m. Colour: blue. Comments Optional…
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401 Open land
Geometry: area. Definition Open land that has a ground cover (grass, moss or similar). If yellow coloured areas become dominant, a screen (75% instead of full yellow) may be used.…
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402 Open land with scattered trees
Geometry: area. Definition Areas with scattered trees or bushes in open land may be generalised by using a regular pattern of large dots in the yellow screen. The dots may…
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403 Rough open land
Geometry: area. Definition Heath, moorland, felled areas, newly planted areas (trees lower than ca. 1 m) or other generally open land with rough ground vegetation, heather or tall grass. Smaller…
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404 Rough open land with scattered trees
Geometry: area. Definition Scattered trees in rough open land, typically long grass areas. It is not recommended to add individual Prominent large tree (417) or Special vegetation feature (419), unless…
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405 Forest
Geometry: area. Definition Typically open forest for the terrain. Parameters Minimum width: 0.8 mm (footprint 12 m). Minimum area: 2 mm2. Colour: white.
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406 Forest: reduced rideability and visibility
Geometry: area. Definition Dense forest with low visibility. Parameters Minimum width: 0.8 mm (footprint 12 m). Minimum area: 2 mm2. Colour: green 30%.
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407 Vegetation: reduced off-track rideability, good visibility
Geometry: area. Definition An area of good visibility but undergrowth (brambles, heather, low bushes, cut branches). Speed is reduced to difficult or impossible requiring the competitor to dismount. Symbol should…
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410 Impassable vegetation
Geometry: line. Definition A hedge of any height, which is distinct in the terrain and provides an important navigational feature. Minimum length (isolated): 1 mm (footprint 15 m). Colour: green.…
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413 Orchard
Geometry: area. Definition Land planted with trees or bushes, normally in a regular pattern. The dot lines may be orientated to show the direction of planting. Must be combined with…
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414 Vineyard
Geometry: area. Definition A vineyard or similar cultivated land containing dense rows of plants offering good or normal runnability in the direction of planting. The lines shall be orientated to…
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417 Prominent large tree
Geometry: point. Definition White mask is used under the green circle, to improve readability in yellow and green (OM 1.1 mm). Parameters Footprint: 16.5 m × 16.5 m. Colour: green.…
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418 Prominent bush or small tree
Geometry: point. Definition A prominent bush or a small single tree. Small white dot inside is used to aid the colour vision impaired. Parameters Footprint: 11.25 m in diameter. Colour:…
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419 Special vegetation feature
Geometry: point. Definition White mask is used under the green cross, to improve readability in yellow and green (line width of white mask 0.36 mm, and the total length of…
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501 Paved area
Geometry: area. Definition An area with a firm surface such as asphalt, hard gravel, paving stones, concrete or similar. The paved area should be bordered (or framed) by a thin…
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501.1 Step or edge of paved area
Geometry: line. Definition An edge of a paved area. Edges within paved areas are generally not represented unless they serve navigation. Parameters Colour: black. Comments Optional symbol. The definition of…
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502 Paved road
Geometry: line. Definition A road with asphalt, concrete or other paved surface. The width should be drawn to scale, but not smaller than the minimum width. The space between the…
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509 Railway
Geometry: line. Definition A railway or other kind of railed track.If it is forbidden to cycle across or along the railway, it should be combined with symbol Area that shall…
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510 Power line, cableway or ski lift
Geometry: line. Definition Power line, cableway or ski lift. The bars show the exact location of the pylons. The line may be broken to improve legibility. If a section of…
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511 Major power line
Geometry: line. Definition Major power lines should be drawn with a double line. The gap between the lines may indicate the extent of the power line. The bars show the…
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512 Bridge/tunnel
Geometry : line, point. Definition Bridges and tunnels are represented using the same basic symbols.If it is not possible to get through a tunnel (or under a bridge), it shall…
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513 Passable wall
Geometry: line. Definition A significant wall of brick, stone, concrete, wood or other materials that is possible to cross. Parameters Minimum length (isolated): 1.5 mm (footprint 22.5 m). Colour: black…
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515 Impassable wall
Geometry: line. Definition A significant wall of brick, stone, concrete, wood or other materials that is impossible to cross. Parameters Minimum length (isolated): 2 mm (footprint 30 m). Colour: black…
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516 Passable fence or railing
Geometry: line. Definition A fence that is possible to cross. If the fence forms an enclosed area, tags should be placed inside. Parameters Minimum length (isolated): 1.5 mm (footprint 22.5…
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518 Impassable fence or railing
Geometry: line. Definition A fence that is impossible to cross. If the fence forms an enclosed area, tags should be placed inside. Parameters Minimum length (isolated): 2 mm (footprint 30…
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519 Crossing point
Geometry: point. Definition A way through or over a wall, fence or other linear feature, including a gate or stile. For impassable features, the line shall be broken at the…
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520 Area that shall not be entered
Geometry: area. Definition An area that shall not be entered such as private area, a flower bed, a railway area etc. No feature shall be represented in this area, except…
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521 Building
Geometry: area. Definition A building is a relatively permanent construction having a roof. Buildings within symbol Area that shall not be entered (520) may just berepresented in a simplified manner.…
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522 Canopy
Geometry: area. Definition A canopy is a building construction (with a roof), normally supported by pillars, poles or walls, such as passages, gangways, courts, bus stops, gas stations or garages.…
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522.1 Pillar
Geometry: point. Definition A pillar is an upright shaft or structure of stone, brick or other material, relatively slender in proportion to its height and any shape in section, used…
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524 High tower
Geometry: point. Definition A high tower or large pylon. If it is in a forest, it must be visible above the level of the surrounding forest. Towers with a larger…
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525 Small tower
Geometry: point. Definition An obvious small tower, platform or seat.The symbol is orientated to north. Parameters Footprint: 18 m × 18 m. Colour: black 60%.
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527 Fodder rack
Geometry: point. Definition A fodder rack, which is free standing or attached to a tree.The symbol is orientated to north. Parameters Footprint: 18 m × 18 m. Colour: black 60%.
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528 Passable line feature
Geometry: line. Definition A man-made line feature that is allowed to cross. For example, a low pipeline (gas, water, oil, heat, etc.) or a bobsleigh / skeleton track that is…
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529 Uncrossable line feature
Geometry: line. Definition A man-made line feature that is impassableto cross. For example, a high pipeline (gas, water, oil, heat, etc.) or a bobsleigh / skeleton track. The definition of…
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530 Prominent man-made feature – ring
Geometry: point. Definition Location is at the centre of gravity of the symbol.The definition of the symbol must be given on the map. Parameters Footprint: 16.5 m in diameter. Colour:…
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531 Prominent man-made feature – x
Geometry: point. Definition Location is at the centre of gravity of the symbol.The definition of the symbol must be given on the map.The symbol is orientated to north. Parameters Footprint:…
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532 Stairs
Geometry: line. Definition Steps or stairways which present a challenge to riding. A stairway going through rock passages or between impassable objects may be drawn without border lines. An easily…
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601 Magnetic north line
Geometry: line. Definition Magnetic north lines are placed on the map pointing to magnetic north, parallel to the sides of the paper and with magnetic north being at the top…
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603 Spot height
Geometry: point, text. Definition Spot heights are used for the rough assessment of height differences. The height is given to the nearest metre. Water levels are given without the dot.…
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701 Start
Geometry: point. Definition The place where the orienteering starts. The centre of the triangle shows the precise position where the orienteering course starts. The start must be on a clearly…
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702 Map issue point
Geometry: point. Definition If there is a marked route to the start point, the map issue point is marked using this symbol. Parameters Colour: upper purple (over black).
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703 Control point
Geometry: point. Definition For point features, the centre of the circle shall be the centre of the symbol.For line and area features, the centre of the circle shows the precise…
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703.1 Control point with focus point
Geometry: point. Definition The focus point (i.e. the point in the centre of a control circle) can be used when it is necessary to clarify the exact position of a…
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704 Control number with control code
Geometry: text. Definition The number of the control is placed close to the control point circle in such a way that it does not obscure important detail.The numbers are orientated…
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705 Course line
Geometry: line. Definition Where controls are to be visited in order, the sequence is shown using straight lines from the start to the first control and then from each control…
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706 Finish
Geometry: point. Definition The end of the course. Parameters Colour: lower purple (under black).
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707 Marked route
Geometry: line. Definition A marked route that is a part of the course. It is mandatory to follow the marked route. Parameters Minimum length: 2 dashes (4.5 mm – footprint:…
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708 Out of bounds boundary
Geometry: line. Definition A boundary which is not permitted to cross. Use as an overprint for a symbol that otherwise indicates that the boundary is passable e.g. Passable fence (513).…
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709 Out of bounds area
Geometry: area. Definition An out of bounds area. A bounding line may be drawn if there is no natural boundary as follows: a solid line indicates that the boundary is…
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710 Crossing point
Geometry: point, line. Definition A crossing point through or over a wall or fence, or across a road or railway, or through a tunnel or an out of bounds area…
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712 First aid post
Geometry: point. Definition The location of a first aid post.The symbol is orientated to north. Parameters Footprint: 45 m. Colour: upper purple (over black).
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713 Refreshment point
Geometry: point. Definition The location of a refreshment point which is not at a control.The symbol is orientated to north. Parameters Footprint: 45 m. Colour: upper purple (over black).
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716 Forbidden route
Geometry: line. Definition A route which is out of bounds and forbidden to cross and follow is shown with a zigzag. The zigzag line should be as continuous as possible.…
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717 Obstacle across track, path or road
Geometry: point. Definition These barriers must be highly visible on the map and should be overprinted in purple. The symbol should be used for all obstacles that are difficult to…
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718 Forbidden to pass
Geometry: point. Definition This symbol can be used for all locations that are forbidden or impossible to pass. In locations where two tracks or paths almost meet, but the situation…
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719 Dangerous section
Geometry: point Definition Two exclamation marks with a white outline to represent a dangerous section.The symbol is orientated to north. Parameters Font: Arial, 4.0 mm, non-bold, non-italic. Symbol shall be…
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815 Track: fast riding
Geometry: line. Definition Road, track or wide path, fast riding. Parameters Colour: black.
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816 Path: fast riding
Geometry: line. Definition Road, track or wide path, fast riding. Parameters Colour: black.
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817 Track: medium riding
Geometry: line. Definition Gravel road, track or wide path, medium speed riding. Parameters Minimum length (isolated): 2 dashes (6.5 mm – footprint 97.5 m). Colour: black.
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818 Path: medium riding
Geometry: line. Definition A narrow path, medium speed riding. Parameters Minimum length (isolated): 2 dashes (6.5 mm – footprint 97.5 m). Colour: black
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819 Track: slow riding
Geometry: line. Definition Gravel road, track or wide path, slow riding. Parameters Minimum length (isolated): 2 dashes (3.4 mm – footprint 51 m). Colour: black.
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820 Path: slow riding
Geometry: line. Definition Narrow path, slow riding. Parameters Minimum length (isolated): 2 dashes (3.4 mm – footprint 51 m). Colour: black.
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821 Track: very slow riding
Geometry: line. Definition Gravel road, track or wide path, very slow riding. Parameters Minimum length (isolated): 2 dashes (1.9 mm – footprint 28.5 m). Colour: black.
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822 Path: very slow riding
Geometry: line. Definition Narrow path, very slow riding. Parameters Minimum length (isolated): 2 dashes (1.5 mm – footprint 22.5 m). Colour: black
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823 Track end point
Geometry: point. Definition The end of the track or path, it is no longer possible to continue in its direction. Parameters Footprint: 16.5 m. Colour: black. Comments Optional symbol.
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824 Open land, permitted to ride
Geometry: area. Definition An area of open land that is permitted to ride, when off-track riding is otherwise forbidden. The permitted area should have obvious borders or be marked in…
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825 Forested area, permitted to ride
Geometry: area. Definition An area of terrain with a dense track network or little ground vegetation where riding everywhere is allowed. Predominant track/paths going through this area shall be shown…
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826 Rough open land, permitted to ride
Geometry: area. Definition Heath, moorland, felled areas, newly planted areas (trees lower than ca. 1 m) or other generally open land with rough ground vegetation, heather or tall grass that…
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827 Narrow ride or linear trace through the terrain, permitted to ride, fast riding
Geometry: line. Definition A forest ride or a prominent trace (forestry extraction track, sandy track, ski track) through the terrain which does not have a distinct rideable path along it,…
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828 Narrow ride or linear trace through the terrain, permitted to ride: medium riding
Geometry: line. Definition A forest ride or a prominent trace (forestry extraction track, sandy track, ski track) through the terrain which does not have a distinct rideable path along it,…
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829 Narrow ride or linear trace through the terrain, permitted to ride: slow riding
Geometry: line Definition A forest ride or a prominent trace (forestry extraction track, sandy track, ski track) through the terrain which does not have a distinct rideable path along it,…
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830 Narrow ride or linear trace through the terrain, permitted to ride: very slow riding
Geometry: line. Definition A forest ride or a prominent trace (forestry extraction track, sandy track, ski track) through the terrain which does not have a distinct rideable path along it,…
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841 One-way compulsory
Geometry: point. Definition For use on tracks and paths where it is only allowed to ride in one direction, for example on mountain bike single tracks. The frequency of chevron…