/// <summary>
/// Returns the maximum speed.
/// </summary>
/// <returns></returns>
public KilometerPerHour MaxSpeed(TagsCollection tags)
{
// THESE ARE THE MAX SPEEDS FOR BELGIUM.
// TODO: Find a way to make this all configurable.
KilometerPerHour speed = 5;
// get max-speed tag if any.
var maxSpeedValue = tags.GetNumericValue("maxspeed");
if (maxSpeedValue.HasValue)
{
return(maxSpeedValue.Value);
}
string highwayType;
if (TryGetHighwayType(tags, out highwayType))
{
speed = MaxSpeed(highwayType);
}
return(speed);
}