| Roads > 150k (1) 
Roads < 150k (2)
|   | Limited Access |  
|   | Unlimited Access |  
|   | Principal Arterial |  
Roads < 75k (3)
|   | Limited Access |  
|   | Unlimited Access |  
|   | Principal Arterial |  
Roads < 40k (4)
|   | Limited Access |  
|   | Unlimited Access |  
|   | Principal Arterial |  
Roads < 20k (5)
|   | Limited Access |  
|   | Limited Access Ramp |  
|   | Rest Area / Weigh Stations |  
|   | Unlimited Access |  
|   | Principal Arterial |  
|   | Minor Arterial |  
Roads < 5k (6)
|   | Limited Access |  
|   | Limited Access Ramp |  
|   | Rest Area / Weigh Stations |  
|   | Unlimited Access |  
|   | Principal Arterial |  
|   | Minor Arterial |  
|   | Non-Certified Roads |  
Roads < 1.2k (7)
|   | Limited Access |  
|   | Limited Access Ramp |  
|   | Rest Area / Weigh Stations |  
|   | Unlimited Access |  
|   | Principal Arterial |  
|   | Minor Arterial |  
|   | Non-Certified Roads |  
|   | Other Roads |  
|   | Limited Access |  
|   | Limited Access Ramp |  
|   | Rest Area / Weigh Stations |  
|   | Unlimited Access |  
|   | Principal Arterial |  
|   | Minor Arterial |  
|   | Non-Certified Roads |  
|   | Other Roads |  |