Elements Roadway: List of Elements
- Mark Christian
- Amanda Shepherd Smith
Element Type | Element Category | Roadway Element Name | Example | Notes |
infrastructure | ada | detectable curb mat |     | Detectable warning surfaces contrast visually with adjacent walking surfaces either light-on-dark, or dark-on-light. More common colors include yellow, black, brown, dark grey, etc.
|
infrastructure | intersection-junction | pedestrian island |    
| Pedestrian islands are areas designated by raised curbs and/or pavement markings which provide a refuge area between opposite sides of the road. To be considered a pedestrian island, they should be bounded by crosswalk pavement markings and/or have detectable curb mats installed. |
infrastructure | intersection-junction | roundabout |  
| Common circular intersection types including roundabouts, rotaries, and traffic circles. |
pavement_marking | ada | accessibility (wheelchair) symbol |  |
|
pavement_marking | arrow | three way arrow |  |
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pavement_marking | arrow | right/left arrow |  |
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pavement_marking | arrow | left turn arrow |  |
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pavement_marking | arrow | lane reduction arrow |  |
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pavement_marking | arrow | right turn arrow |  |
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pavement_marking | arrow | straight arrow |  |
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pavement_marking | arrow | straight/left arrow |  |
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pavement_marking | arrow | straight/right arrow |  |
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pavement_marking | arrow | uturn arrow |  |
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pavement_marking | bicycle | bicycle |  |
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pavement_marking | bicycle | shared lane (bicycle) |  |
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pavement_marking | crosswalk | ladder crosswalk |   |
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pavement_marking | crosswalk | solid crosswalk |  |
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pavement_marking | crosswalk | transverse crosswalk |  |
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pavement_marking | crosswalk | longitudinal bar crosswalk |  |
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pavement_marking | railroad | railroad crossing |  | Labels only X symbol and associated text. |
pavement_marking | railroad | railroad crossing extended |
 | Encompasses the X symbol and bounding lines markings |
pavement_marking | stop | stop line |  |
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pavement_marking | stop | yield line |  |
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pavement_marking | symbol | double chevron |  |
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pavement_marking | symbol | speed hump |  |
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pavement_marking | symbol | other symbols |  |
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pavement_marking | text | BIKE text |  |
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pavement_marking | text | BUS text |  |
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pavement_marking | text | ONLY text |  |
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pavement_marking | text | SCHOOL text |    |
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pavement_marking | text | STOP text |  |
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pavement_marking | text | YIELD text |  |
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pavement_marking | text | Other text |        | Word and number pavement markings without a unique class. |