1S15 1257 Portsmouth & Southsea to Brighton
Departing on 3rd January 2026

operated by
Southern
4 coaches
377163
GBTT
WTT
RTTRealtime
Route
Mi.Ch
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
0.00
Portsmouth & Southsea [PMS]
Pathed as Electric multiple unit at 100mph
3
1257
1257
1257½
UM
UML
0.66
1
1300
1301
1300
1301
1259¾
1300¾
1.11
pass
1302
pass
1302¼
3.09
1
pass
1304
pass
1304½
3.47
pass
1304½
pass
1305¼
UM
4.12
pass
1305
pass
1306
+1
6.36
1
pass
1307½
pass
1308½
+1
7.10
1
1309
1309
1308½
1309½
1310
1310½
+1
UM
UB
7.64
1
pass
1311
pass
1311½
9.00
1
pass
1312½
pass
1313¼
10.34
1
pass
1313½
pass
1314½
11.36
1
pass
1314½
pass
1317½
+3
13.07
1
pass
1316
pass
1321¾
+5
14.38
1
pass
1317
pass
1323¼
+6
15.79
1
1319
1320
1319
1320
1325
1326¼
+6
UB
22.21
3
1327
1328
1327
1328½
1335¾
1337¼
+8
UB
24.75
1
pass
1332
pass
1341
+9
25.19
pass
1333
pass
1341½
+8
25.49
pass
1334
pass
1342¼
+8
UM
UB
29.06
1
1339
1339
1338½
1339½
1346½
1347½
+8
31.43
1
1343
1343
1343
1343½
1350¾
1351½
+8
32.37
1
1346
1346
1345½
1346½
1353¼
1354¼
+7
33.20
1
1349
1349
1348½
1349
1356
1357
+8
34.04
2
1351
1352
1351
1352
1358½
1359¾
+7
34.75
1
1354
1354
1354
1354½
pass
1401
+6
36.31
1
1357
1358
1357
1358
1403
1403
+5
38.61
1
1402
1402
1401½
1402½
pass
1405¾
+3
40.20
1
1405
1406
1405
1406
pass
1407
+1
41.03
1
pass
1407½
pass
1407¾
41.57
1
1409
1410
1409
1410
pass
1408¼
-1
42.56
Approaching
Aldrington [AGT]
1
pass
1411½
pass
1410
-1
43.15
2
1413
1413
1412½
1413½
1410¾
1412¾
UB
UWB
44.50
2
1418
1418
1417
UWB