| 1 | 1-Leverstock Green - Adeyfield (Circular) |
| 1 | 1-High Wycombe - Chesham - Hemel Hempstead |
| 100 | 100-Luton Airport - Hitchin - Stevenage |
| 101 | 101-Luton - Hitchin - Stevenage |
| 107 | 107-Edgware -Elstree - Borehamwood - Arkly - Barnet - New Barnet Station |
| 13 | 13-Waltham Cross - Waltham Abbey - (Epping - North Weald) |
| 142 | 142-Watford Junction and Town Centre - Bushey - Stanmore - Edgware - Brent Cross, Shopping Centre |
| 15 | 15-Waltham Cross - Waltham Abbey - (Harlow) |
| 15 | 15-Haslingfield - Bassingbourn - Royston |
| 15 | 15-Haslingfield - Royston |
| 16 | 16-Waltham Cross - Honey Lane - Waltham Cross |
| 16 | 16-Royston: Burns Road - Town Centre (Circular) |
| 167 | 167-Ivinghoe - Leighton Buzzard |
| 17 | 17-Royston - Bassingbourn - Guilden Morden |
| 17 | 17-Royston - Bassingbourn - Guilden Morden |
| 18 | 18-Buntingford - Royston |
| 199 | 199-Chesham - Hawridge - Cholesbury - St Leonards |
| 2 | 2-Hemel Hempstead : Bennetts End / Railway Stn - Woodhall Farm |
| 20 | 20-The Hormeads - Bishops Stortford |
| 20 | 20-Holywell Estate - Hemel Hempstead |
| 200 | 200-London Colney - Essendon Mill |
| 201 | 201-Welwyn Garden City - Welham Green |
| 203 | 203-Welwyn Garden City - Watton At Stone |
| 204 | 204-Welwyn Garden City - Circular |
| 206 | 206-Welwyn Garden City - Panshanger (Circular) |
| 207 | 207-Hemel Hempstead - Wigginton / Long Marston |
| 211 | 211-Breach Barns - Waltham Cross |
| 212 | 212-Woodwells Cemetery - Hemel Hempstead |
| 212 | 212-Waltham Cross - Roundhills - Waltham Cross |
| 215 | 215-Welwyn Garden City - Codicote |
| 216 | 216-Welwyn Garden City - Welwyn |
| 217 | 217-Waltham Cross - Freezywater - Bullsmoor Lane - Great Cambridge Road - Enfield Retail Park - Edmonton Cambridge - Westbury Avenue - Turnpike Lane Station |
| 230 | 230-St Albans - Welwyn Garden City |
| 24 | 24-Royston Town Service |
| 242 | 242-Potters Bar - Waltham Cross |
| 242 | 242-Welham Green - Waltham Cross |
| 25 | 25-Harlow - Hoddesdon - (Broxbourne - Cheshunt) |
| 251 | 251-Upshire - Waltham Cross - Cheshunt - Hammond St. |
| 258 | 258-Watford Junction - Harrow Weald - Wealdstone - Harrow - South Harrow |
| 26 | 26-Cambridge - Royston |
| 26 | 26-Cambridge - Royston |
| 27 | 27-Royston - Bishops Stortford |
| 279 | 279-Waltham Cross - Enfield Highway - Ponders End - Edmonton - Manor House |
| 279 | 279-Waltham Cross - Enfield Highway - Ponders End - Edmonton - Manor House |
| 292 | 292-Borehamwood, Rossington Avenue - Ripon Park - Stirling & Apex Corners - Edgware - Colindale, Superstores |
| 298 | 298-Arnos Grove - Southgate - Cockfosters - Stagg Hill - Potters Bar Station |
| 3 | 3-Hemel Hempstead - Grovehill (Circular) |
| 301 | 301-Saffron Walden - Bishop's Stortford |
| 301 | 301-St Albans - Stevenage |
| 302 | 302-Hemel Hempstead - Welwyn Garden City |
| 303 | 303-Nicholas Breakspear School - Hatfield |
| 304 | 304-Hitchin - St Albans |
| 304 | 304-Wheathampstead - St Albans |
| 305 | 305-Sandridge - Potters Bar |
| 305 | 305-Stansted Airport - Bishop's Stortford |
| 306 | 306-Wicken Bonhunt - Bishop's Stortford |
| 306 | 306-Watford - Borehamwood (Circular) |
| 306A | 306A-Garston, St Michaels School - Borehamwood |
| 307 | 307-Harpenden - Redbourn |
| 308 | 308-Cuffley - Hertford |
| 309 | 309-Thorley Park - Bishop's Stortford - (Stansted Airport) |
| 31 | 31-Cambridge - Barley |
| 31 | 31-Cambridge - Fowlmere - Barley |
| 31 | 31-Cambridge - Fowlmere - Barley |
| 310 | 310-Waltham Cross - Hertford |
| 312 | 312-Hatfield - Bell Bar |
| 313 | 313-Chingford Station - Ponders End - Enfield - Botany Bay - Potters Bar |
| 314 | 314-Hitchin - Welwyn Garden City |
| 315 | 315-Hitchin - Welwyn Garden City |
| 315 | 315-Bishop's Stortford - The Hallingburys - Bishop's Stortford |
| 317 | 317-Waltham Cross - Turkey Street Station - Enfield Retail Park - Great Cambridge Road - Enfield |
| 319 | 319-North Watford & Cassiobury Estate Circular |
| 320 | 320-Maple Cross - Hemel Hempstead |
| 321 | 321-Luton - St Albans - Watford |
| 322 | 322-Maple Cross - Hemel Hempstead |
| 322 | 322-Lindsell Village - Bishops Stortford, Interchange |
| 322 | 322-Lindsell Village - Bishops Stortford, Interchange |
| 323 | 323-Welwyn Garden City - Hertford |
| 323 | 323-David Wright Close - Bishops Stortford, Interchange |
| 323 | 323-David Wright Close - Bishops Stortford, Interchange |
| 324 | 324-Elstree, Centennial Park - Stanmore - Queensbury - Hendon Central - Brent Cross, Tesco |
| 324 | 324-Ware - Welwyn Garden City |
| 324 | 324-Stebbing, outside The White Hart - Bishops Stortford, Interchange |
| 324 | 324-Stebbing, outside The White Hart - Bishops Stortford, Interchange |
| 327 | 327-Waltham Cross - Freezywater - Bullsmoor Lane - Elsinge Estate |
| 328 | 328-Mount Vernon Hospital - Abbots Langley |
| 330 | 330-Nicholas Breakspear School - Hatfield Station |
| 331 | 331-Hertford - Buntingford |
| 331 | 331-Ruislip - Ruislip Common - Northwood - Harefield - Uxbridge |
| 331 | 331-Nicholas Breakspear School - Welwyn Garden City |
| 331 | 331-Hertford - Buntingford |
| 336 | 336-Chorleywood - North Bushey |
| 338 | 338-Radlett Rail Station - Colney Fields Retail Park |
| 34 | 34-Dunstable - Markyate - St Albans |
| 341 | 341-Hatfield - Ware / Broxbourne |
| 346 | 346-Watford - Carpenders Park (Circular) |
| 346 | 346-Queens' School - Abbots Langley |
| 346A | 346A-Watford - Carpenders Park (Circular) |
| 347 | 347-Hatfield Broad Oak - Harlow |
| 347 | 347-Queens' School - Cassiobury |
| 35 | 35-Bishops Stortford - Hertford |
| 352 | 352-Hemel Hempstead - Watford |
| 354 | 354-Chesham - Berhamsted / Northchurch |
| 354 | 354-Nicholas Breakspear School - Borehamwood |
| 355 | 355-Nicholas Breakspear School - Carterhatch Lane |
| 356 | 356-Nicholas Breakspear School - Winchmore Hill |
| 357 | 357-Harpenden - Borehamwood |
| 358 | 358-Nicholas Breakspear School - Borehamwood |
| 35B | 35B-Bishops Stortford Interchange - Bishops Park Tesco |
| 35C | 35C-Bishops Stortford Schools - Hertford |
| 36 | 36-Bishops Stortford - Buntingford |
| 361 | 361-Borehamwood - St Albans |
| 366 | 366-Luton - Harpenden - Welwyn Garden City - South Hatfield |
| 367 | 367-Oxlease - Hatfield - Harpenden |
| 36A | 36A-Bishops Stortford - Buntingford |
| 37 | 37-Buntingford - Stevenage |
| 378 | 378-Stevenage - Hertford |
| 379 | 379-Stevenage - Hertford |
| 38 | 38-Hertford - Stevenage |
| 380 | 380-Cuffley Rail Sation - Hertford Bus Station |
| 385 | 385-Watford, Morrisons - North Bushey (Circular) |
| 386 | 386-Bishops Stortford - Braughing |
| 387 | 387-Aldbury - Tring |
| 389 | 389-Aldbury - Tring |
| 38A | 38A-Hertford - Stevenage |
| 390 | 390-Stevenage - Ware / Hertford |
| 391 | 391-Weston - Stevenage |
| 395 | 395-Hertford, Sele Farm - Ware, Fanham Common |
| 397 | 397-Wigginton / Aldbury - Tring |
| 397 | 397-Borehamwood - Bushey, Queens School |
| 398 | 398-Tring School - Wiggington |
| 398 | 398-Brookmans Park / Potters Bar - Borehamwood |
| 4 | 4-Grovehill - Warners End (Circular) |
| 40 | 40-Dunstable - Katherine Dr - Whipsnade - Kensworth - Dunstable |
| 401 | 401-Welwyn Garden City - Panshanger (Circular) |
| 401 | 401-Welwyn Garden City - Panshanger Circular |
| 402 | 402-QEII Hospital - Welwyn Garden City |
| 404 | 404-South Hatfield - Welwyn Garden City |
| 405 | 405-South Hatfield - Welwyn Garden City |
| 42A | 42A-Bishops Stortford, Interchange - Chelmsford, Bus Stn |
| 42A | 42A-Bishops Stortford, Interchange - Chelmsford, Bus Stn |
| 44 | 44-Stevenage - Knebworth - Codicote - Kimpton - Luton |
| 444 | 444-Barley - Saffron Walden |
| 446 | 446-Manuden - Saffron Walden |
| 45 | 45-Stevenage - Knebworth - Codicote - Kimpton - Batford - Luton |
| 46 | 46-Luton - Redbourn - Hemel Hempstead |
| 491 | 491-Waltham Cross - Enfield Island Village - Brimsdown - Edmonton Green - North Middlesex Hospital |
| 501 | 501-Watford - Aylesbury |
| 502 | 502-Aylesbury - Wendover - Tring - Marsworth - Aylesbury |
| 508 | 508-Harlow - Stansted Airport |
| 51 | 51-Chipperfield - Hemel Hempstead |
| 511 | 511-St James' Park - Bishop's Park |
| 53 | 53-Letchworth - Lordship Estate Circular |
| 55 | 55-Stevenage - Letchworth |
| 601 | 601-Borehamwood - Welwyn Garden City [The Alban Way] |
| 602 | 602-Watford - Hatfield |
| 61 | 61-Aylesbury - Tring - Pitstone - Ivinghoe - Eaton Bray - Dunstable |
| 610 | 610-Luton - Hatfield - Potters Bar - Cockfosters |
| 612 | 612-Luton - Hatfield |
| 614 | 614-Queensbury Station - Hatfield [The Comet] |
| 61A | 61A-Aylesbury - Tring - Pitstone - Ivinghoe - Eaton Bray - Dunstable |
| 62 | 62-Aylesbury - Cheddington - Marsworth - Aylesbury |
| 626 | 626-Finchley Central - North Finchley - Whetstone - New Barnet - Dame Alice Owen's School |
| 62A | 62A-Cheddington - Tring |
| 635 | 635-Hatfield - Hitchin |
| 635 | 635-Watford - Hatfield |
| 641 | 641-Hatfield, Business Park - Broxbourne |
| 644 | 644-Queensbury - Hatfield |
| 653 | 653-Welwyn Garden City - St Albans (New Greens Estate) [Tigermoth] |
| 66 | 66-Waltham Cross - Loughton - Waltham Cross |
| 699 | 699-Winchmore Hill - Southgate - Cockfosters - Potters Bar - Dame Alice Owen's School |
| 7 | 7-Bishop's Stortford - Stansted Airport |
| 721 | 721-Luton - St Albans - Hemel Hempstead |
| 724 | 724-Harlow - Hertford - Welwyn Garden City - Hatfield - Heathrow |
| 725 | 725-Rickmansworth - Stevenage |
| 74 | 74-Bedford - Biggleswade - Hitchin |
| 757 | 757-Luton - Luton Airport - Brent Cross - London Victoria |
| 80 | 80-Hitchin - Stevenage |
| 81 | 81-High Dane - Westmill Estate |
| 813 | 813-Bassingbourn Village College - Meldreth |
| 821 | 821-Luton - St Albans Townsend Sch |
| 824 | 824-J.f. Kennedy School - Adeyfield |
| 831 | 831-Buntingford Schools - Standon |
| 832 | 832-St Michaels School - South Oxhey |
| 833 | 833-Garston, St Michael's School - South Oxhey |
| 836 | 836-Buntingford Schools - Braughing |
| 84 | 84-St Albans - Potters Bar |
| 84B | 84B-Barnet Hospital - Potters Bar |
| 866 | 866-Katherine Warington Sch - Wheathampstead |
| 88 | 88-Hitchin - Gosmore - Breachwood Green - Luton |
| 885 | 885-Bushey Meads School - Garston |
| 89 | 89-Hitchin - Pirton - Shillington - Henlow Camp |
| 90 | 90-Royston - Letchworth |
| 907 | 907-Hertford - Stevenage |
| 907 | 907-Stevenage - Cheshunt |
| 908 | 908-Welwyn Garden City - Stevenage |
| 91 | 91-Royston - Letchworth |
| 951 | 951-Thorpe Park - Watford - Borehamwood |
| 96 | 96-Letchworth - Arlesey - Stotfold - Letchworth |
| 96A | 96A-Letchworth - Stotfold - Arlesey - Letchworth |
| 97 | 97-Hitchin - Letchworth - Stotfold |
| 98 | 98-Baldock - Hitchin |
| 9A | 9A-Bedford - Stevenage |
| 9A | 9A-Bedford - Stevenage |
| 9A | 9A-Bedford - Stevenage |
| 9B | 9B-Bedford - Stevenage |
| 9B | 9B-Bedford - Stevenage |
| 9B | 9B-Bedford - Stevenage |
| 9C | 9C-Bedford - Stevenage |
| 9C | 9C-Bedford - Stevenage |
| 9C | 9C-Bedford - Stevenage |
| 9D | 9D-Bedford - Stevenage |
| 9D | 9D-Bedford - Stevenage |
| 9D | 9D-Bedford - Stevenage |
| C1 | C1-Cuffley Rail Station - Rosedale Estate |
| C392 | C392-Harlow - Hoddesdon |
| FL10 | FL10-Maulden - Clophill - Silsoe - Wardhedges - Flitton - Greenfield - Pulloxhill - Hitchin |
| FL7 | FL7-Maulden - Flitwick - barton le Clay - Hitchin |
| H1 | H1-Hertford - Pinehurst (Circular) |
| H10 | H10-Hemel Hempstead - Boxmoor / Leverstock Green |
| H11 | H11-Hemel Hempstead - Boxmoor / Chambersbury Lane (Circular) |
| H19 | H19-Hemel Hempstead - Kings Langley |
| H2 | H2-Hertford Bus Station - Campfield Road (Circular) |
| H3 | H3-Hertford Bus Station - Horns Mill (Circular) |
| H4 | H4-Hertford North Station - Horns Mill |
| H5 | H5-Hertford - Bengeo (Circular) |
| H6 | H6-Hertford - Bengeo (Circular) |
| HA1 | HA1-Harpenden Local Service |
| HH1 | HH1-Derwent Road - West Common Way (Circular) |
| KL80 | KL80-Kings Langley School - Kings Langley |
| L2 | L2-Cheshunt - Liverpool Street |
| L2 | L2-Cheshunt - Seven Sisters (until 10:15) |
| M2 | M2-Ware: Railway Station - Kingsway / Watton Rd |
| M3 | M3-Ware: Railway Station - Wareside (Circular) / Hertford |
| M4 | M4-Ware: Railway Station - Presdales - Wareside |
| M5 | M5-Ware: Railway Station - Lower Bourne Gardens (Circular) |
| ML1 | ML1-Hemel Hempstead - Chaulden / Maylands Avenue (Circular) |
| N279 | N279-Waltham Cross - Edmonton - Tottenham - Camden - Trafalgar Square |
| PB1 | PB1-Potters Bar - Rushfield (Circular) |
| R1 | R1-Mount Vernon Hospital - Maple Cross |
| R16 | R16-South Oxhey - North Watford Superstores |
| R17 | R17-Hatch End - Carpenders Park |
| R2 | R2-Watford / Mount Vernon Hospital - Chorleywood |
| R9 | R9-North Watford - Chipperfield |
| RA3 | RA3-Watford - Heathrow |
| S1 | S1-St Albans: Cell Barnes - City Rail Station - City Centre |
| S1 | S1-St Albans : City Centre - Cell Barnes - City Rail Station |
| S4 | S4-St Albans Railway Station - Cottonmill Estate (Circular) |
| S4 | S4-St Albans : Railway Station - Cottonmill Estate (Circular) |
| S5 | S5-St Albans, St Peter's Street - Cottonmill Estate (Circular) |
| S6 | S6-St Albans - Oakllands Grange (Circular) |
| S7 | S7-Marshalswick - Marshalswick (Circ) |
| S8 | S8-Marshalswick - St Albans (Circular) |
| S9 | S9-Marshalswick - St Albans (Circular) |
| SB1 | SB1-Stevenage: Chells Manor / Poplars - Bus Station |
| SB10 | SB10-Stevenage - Old Town (Circular) |
| SB11 | SB11-Bus Station - Pin Green Circular |
| SB18 | SB18-Stevenage: Bus Station - Bragbury End (Circular) |
| SB2 | SB2-Stevenage: Bus Station - St Nicholas (Circular) |
| SB3 | SB3-Stevenage: Bus Station - St Nicholas (Circular) |
| SB4 | SB4-Stevenage; Bus Station - Broadwater (Circular) |
| SB40 | SB40-Stevenage: Bus Station - Broadwater - Gunnels Wood (Circular) |
| SB5 | SB5-Stevenage: Bus Station - Broadwater (Circular) |
| SB50 | SB50-Stevenage: Bus Station - Broadwater (Circular) |
| SB6 | SB6-Stevenage Bus Station - Shephall (Circular) |
| SB7 | SB7-Great Ashby - Stevenage |
| SB8 | SB8-Stevenage: Bus Station - Symonds Green (Circular) |
| SB9 | SB9-Stevenage - Symonds Green (Circular) |
| SHTL | SHTL-Hatfield: University of Hatfield Inter-Campus Shuttle |
| Stortford Shuttle | Stortford Shuttle-Bishops Stortford : H&E Hospital Via Bishop's Stortford (Circular) |
| W1 | W1-Watford - Kingswood |
| W1 | W1-Maple Cross - Watford / Garston |
| W12 | W12-Meppershall - Shillington - Barton-Le-Clay - Hexton - Pegsdon - Hitchin |
| W12B | W12B-Meppershall - Campton - Upper Gravenhurst - Barton - Hexton - Pegsdon - Hitchin |
| W14 | W14-Meppershall - Shillington - Welwyn Garden City |
| W15 | W15-Meppershall - Langford - Stotfold - Stevenage |
| W16 | W16-Meppershall - Shillington - Stevenage |
| W2 | W2-Watford & Meriden Circular |
| W20 | W20-North Bushey - Oxhey Hall (Circular) |
| W21 | W21-Westfield Community College - Carpenders Park |
| W3 | W3-Watford & Meriden Circular |
| W30 | W30-Watford - Croxley Business Park (Circular) |
| W4 | W4-Meppershall - Shefford - Clifton - Langford - Henlow - Stotfold - Welwyn Garden City |
| W4 | W4-Watford & Meriden Circular |
| W7 | W7-Meppershall - Shefford - Clifton - Henlow - Letchworth |
| W8 | W8-Meppershall - Shefford - Clifton - Southill- Broom - Langford - Henlow - St Albans |
| W8A | W8A-Meppershall - Upper Stondon - Lower Stondon - Shillington - Barton - St Albans |
| X10 | X10-Hatfield - Luton (Limited Stop) |
| X5 | X5-Aylesbury - Hemel Hempstead |
| X61 | X61-Aylesbury - Aston Clinton - Tring - Dunstable - Luton Interchange |
