No edit summary |
|||
| Line 4: | Line 4: | ||
==3-Way-Crossings== | ==3-Way-Crossings== | ||
*Simple 3-Way-Crossing (SSS) | *Simple 3-Way-Crossing (SSS) | ||
[[Image: | [[Image:Crossing_SSS.jpg]] | ||
*Simple road crossing a split road (SSD) | *Simple road crossing a split road (SSD) | ||
*Split road crossing a simple road (DDS) | *Split road crossing a simple road (DDS) | ||
Revision as of 15:13, 2 January 2012
Classes of crossings
Crossings can be classified according to the number of single and split(double) roads involved in the crossing.
3-Way-Crossings
- Simple 3-Way-Crossing (SSS)
- Simple road crossing a split road (SSD)
- Split road crossing a simple road (DDS)
- 3 Split roads crossing (DDD)
4-Way-Crossings
- Simple 4-Way-Crossing (SSSS)
- Split road crossing 3 simple roads (DSSS)
- 2 Split roads crossing 2 simple roads (DDSS)
- 3 Split roads crossing 1 simple road (DDDS)
- 4 Split roads crossing (DDDD)