Map Explained
The map shown displays the current and planned situation on the transport network.
Map Download Explained
The map requires a large java script download in order to function correctly. There
is no need to do anything, the download happens automatically. Download size is
approximately 460KB. Download times are approximately: Dialup 1m 5s, ISDN 28s, Broadband
4s. The component is a one time download and will remain cached. Once the component
has downloaded then maps will load in to the map view.
Map Navigation Explained
To pan the map, select the pan icon
,
left click on the map and whilst holding the left button drag your mouse in the
opposite direction from the part of the map desired. Alternatively left click the
,
,
and
.
To zoom in and out of the map, position the curser at the centre of the desired
zoom position and scroll the middle mouse wheel towards the screen to zoom in and
away from the screen to zoom out. Alternatively left click the
and
.
A third way of zooming the map is by selecting the
. Once selected, simply draw
a box around the area to zoom in to by left clicking in one corner and then left
clicking in the opposite corner. The map will then zoom to that position and area.
Remember to select
before trying to pan.
Road Speeds Explained
Over the top of some roads there is a coloured line. This coloured line represents
the current recorded road speed for that section of the road. The colour of the
line indicates the speed of traffic. Green signifies free flowing, yellow a slight
delay, amber a moderate delay and red a severe delay.
You may notice that the overlays do not always follow the road exactly. Due to data
licensing constraints we are only able to create road overlays from junction to
junction.
Icons Explained
Each icon on the map represents something that may be of interest.
Icon Types
There are a number of different icons shown on the map. They are listed below:
Roadworks icon.
Incident icon.
Accident icon.
Car Park icon.
Event icon.
Road Access icon.
Weather Station icon.
Air Quality Station icon.
Traffic Information Sign icon.
Closed Circuit Television Feed icon.
Icon Severity
Some icons can appear with a surrounding colour other than green. When this is the
case the colour denotes the severity of item in question. Red denotes severe, amber
denotes moderate and finally green denotes slight. The different icons are shown
below.
Severe delays icon for an accident.
Moderate delays icon for an accident.
Slight delays icon for an accident.
Car parks are represented slightly differently to the rest of the items. For car
parks there is a bar down the left had side. This bar denotes how full the car park
is or if it is closed. The different icons are shown below.
Car park closed icon.
Car park empty icon.
Car park medium fill icon.
Car park full icon.
Icon Timeline
Some items shown on the map are active, whilst others are likely to become active
in the near future. This is represented in the background colour of the icon. Note,
the colour of the triangle also varies according to the severity. The different
icons are shown below.
Currently active Roadwork causing severe delay icon.
Roadwork that is planned in the near future that is likely to cause severe delay
icon.