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  The roadside station: no conflicts between bus and pedestrian, but extremely long This type has only a side platform. This may be the sidewalk in front of the entrance of a Metro station, as is the case at Montreal Montmorency (2007). The layout with 8 bus stops allowing for independent arrival and departure at/from each stop requires a zone of approximately 180 x 10,5 = 1890 m² The length of such a simple bus station is formidable. The depth is modest because only narrow zones for waiting passengers, waiting buses and passing buses are required. Apart from those special facilities might be required for passengers and buses waiting for later departures. Figure 1. The layout of a roadside bus station (left) and the reduction of its length by putting the stops at angles of 15º and 45 º towards the  platform (middle and right).  The length can be reduced by putting the bus platforms at an angle towards the platform. An angle of about 15º is fairly common. It is used at Montreal Montmorency and Delmenhorst for instance. An angle of 45º requires a change of departure routine. The bus can no longer depart in forward direction. It has to move backwards to leave the stop. This requires a substantial manoeuvring zone. When both the front door and the back door have to be accessible a pier of 2.5 m width is required. Nevertheless the surface needed for the bus station is reduced to 1107.6 m², being only 40% of the srcinal size. Angle of About 60º and a zone reserved for maneuvering. Figure2. The layout of a one island bus station (left) and the reduction of its length by putting the stops at an angle of 15º (right).  The one island bus station: a concentrated conflict zone, considerably shorter but deeper. This type has an isolated platform with two rows of stops in its  basic shape. The central pedestrian crossing minimises the risk of accidents. A layout with 4 bus stops at each side of the platform requires a zone of 90 x 21 = 1890 m², disregarding the surfaces needed for circulation around the platform. See figure 2. The multiple island station: diffuse conflicts, potentially very short but extremely deep This type has more than one island platform. This will cause spreading of crossing patterns between islands and the environment. A pedestrian route may be introduced to connect the front parts of the  platforms, especially to make it easier for the ill sighted to find the right stop. This is problematic though for those hurrying to or from a distant platform, hoping to catch a bus or train. This principle is applied in for instance Tilburg (NL) and Braunschweig (Germany).   Figure 3. The layout of a multi island bus station and the reduction of its breadth by putting the islands at an angle of 45º towards the base line, being a central waiting area usually (angle indicated only).    TURNING RADIUS OF VEHICLE
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