Motorway Services Online uses categories to power searches and other functions The following categories exist. We also have a list of wanted categories (categories which have been used but don't actually exist).

• A350 (3 members)
• A350 pictures (76 members)
• A359 (2 members)
• A35 pictures (22 members)
• A36 (3 members)
• A361 (5 members)
• A361 pictures (87 members)
• A36 pictures (118 members)
• A38 (12 members)
• A380 (1 member)
• A38 pictures (341 members)
• A39 (4 members)
• A39 pictures (66 members)
• A3 pictures (101 members)
• A4 (2 members)
• A40 (10 members)
• A4042 (1 member)
• A40 pictures (302 members)
• A41 (3 members)
• A414 (1 member)
• A417 (4 members)
• A417/A419 (7 members)
• A417 pictures (94 members)
• A418 (2 members)
• A419 (3 members)
• A419 pictures (41 members)
• A41 pictures (64 members)
• A42 (3 members)
• A420 (1 member)
• A421 (4 members)
• A421 pictures (112 members)
• A422 (1 member)
• A429 (3 members)
• A42 pictures (81 members)
• A43 (6 members)
• A43 pictures (202 members)
• A44 (4 members)
• A442 (1 member)
• A444 (2 members)
• A449 (5 members)
• A449 pictures (52 members)
• A44 pictures (83 members)
• A45 (15 members)
• A458 (1 member)
• A45 pictures (244 members)
• A46 (16 members)
• A465 (2 members)
• A46 pictures (293 members)
• A47 (8 members)
• A470 (2 members)