Term
| 10 Principles of intersection design |
|
Definition
Reduce conflict points Control relative speed Coordinate design and traffic control use highest feasible crossing method substitute turning path avoid multiple compound merging maneuvers Separate conflict points Favor the heaviest and fastest flows reduce area of conflict segregate nonhomogeneous flows
|
|
|
Term
| Islands at intersections should be |
|
Definition
|
|
Term
| 3 centered compound curve, symmetric |
|
Definition
Curve with 3 radii, with R1 = R3 used for minimum edge of pavement design for intersection turns (for all vehicle types) |
|
|
Term
| 3 centered compound curve, asymmetric |
|
Definition
curve with 3 unequal radii used for minimum edge of pavement designs for turns at intersections (only for WB- 40&50) |
|
|
Term
| channelization (def. and 3 types) |
|
Definition
involves the use of islands at intersections to guide and protect traffic traversable, deterring, and barrier types |
|
|
Term
| maximum grade on any intersection leg |
|
Definition
|
|
Term
|
Definition
|
|
Term
| ideal movement into parking facility |
|
Definition
| left hand turn from a one way street |
|
|