This contains a detailed breakdown of the Route from Terry's Burger van at Storey Arms near Libanus in Powys to the Test Centre in Swansea using the latest start time to reach the destination on time.

Summary:  37.1 miles (1 hour, 8 minutes)

Time    Mile    Instruction    For
09:01    1.0    Head (West) onto A4215                                                               5.0 miles
09:08    5.9    Turn LEFT (South) onto A4067                                                     14.2 miles
09:30    20.2    At roundabout, take the SECOND exit                                           32 yards
09:30    20.2    Exit roundabout onto A4067                                                         2.4 miles
09:34    22.5    At roundabout, take the SECOND exit                                           87 yards
09:35    22.6    Exit roundabout onto A4067                                                        0.9  miles
09:36    23.5    At roundabout, take the THIRD exit                                              76 yards
09:36    23.5    Exit roundabout onto A4067 [Glan Yr Avon]                                  2.2 miles
09:40    25.7    At roundabout, take the SECOND exit                                           21 yards
09:40    25.7    Exit roundabout onto A4067                                                         0.9 miles
09:42    26.6    At roundabout, take the FIRST exit                                               10 yards
09:42    26.6    Exit roundabout onto A4067                                                         0.9 miles
09:44    27.5    At roundabout, take the FIRST exit                                               21 yards
09:44    27.5    Exit roundabout onto A4067                                                         2.3 miles
09:48    29.7    At roundabout, take the SECOND exit                                           65 yards
09:48    29.8    Exit roundabout onto A4067 [Ffordd CWM Tawe]                          1.7 miles
09:52    31.4    At roundabout, take the THIRD exit                                             0.2 miles
09:52    31.6    Exit roundabout onto A4067                                                         0.7 miles
09:53    32.3    Continue (South) on Ramp                                                           0.2 miles
09:54    32.6    At roundabout, take the FOURTH exit                                           98 yards
09:54    32.6    Exit roundabout onto Local road(s)                                               10 yards
09:54    32.6    Bear LEFT (North) onto Local road(s)                                          109 yards
09:55    32.7    Bear LEFT (North-West) onto Foundry Road                                  87 yards
09:55    32.7    Turn LEFT (South) onto Local road(s)                                           43 yards
09:55    32.8    At McDonald's wait for the other groups to pass then

                       join the run becoming the tail end                                                 43 yards
09:56    32.8    Turn LEFT (West) onto Foundry Road                                          153 yards
09:57    32.9    Bear LEFT (South-East) onto A48 [Clase Road]                           131 yards
09:57    32.9    At roundabout, take the THIRD exit                                              76 yards
09:57    33.0    Exit roundabout onto Ramp                                                          65 yards
09:57    33.0    Bear LEFT (South) onto A4067                                                     0.4 miles
09:58    33.4    At roundabout, take the SECOND exit                                           43 yards
09:58    33.4    Exit roundabout onto A4067                                                         1.0 miles
10:00    34.4    At roundabout, take the FIRST exit                                               32 yards
10:00    34.4    Exit roundabout onto A4067                                                         0.3 miles
10:01    34.8    At roundabout, take the FIRST exit                                               10 yards
10:01    34.8    Exit roundabout onto A4217                                                         0.3 miles
10:01    35.1    At roundabout, take the SECOND exit                                           54 yards
10:01    35.2    Exit roundabout onto A4217                                                         1.0 miles
10:03    36.2    Bear LEFT (South) onto A483                                                      131 yards
10:04    36.3    Bear LEFT (South) onto Kings Road                                              0.1 miles
10:05    36.4    Turn LEFT (East) onto Langdon Road                                           0.7 miles
10:08    37.1    Arrive Langdon Road, Swansea SA1 8   


SUMMARY
Driving distance:  37.1 miles
Trip duration:  1 hour, 8 minutes
Driving time:  1 hour, 8 minutes

N.B.
The  timings are approximate so please be flexible