Changes to the Patterson River rail bridge would NOT require a closure of the Frankston line for up to six months

A new road bridge connecting Station Street to Station Street over the Patterson River is planned.
This can be used as a temporary rail by-pass whilst any changes to the Patterson River rail bridge are completed.

Carrum temporary rail by-pass
Carrum temporary rail by-pass

Allowing for a safety fence 3m from the by-pass rail track access to properties either side of Patterson River remain unaffected.
This will require a stronger bridge for the train use but any additional height caused by deeper spans can be accommodated with the more lenient road design rules and/or service road use.
And this is working on a two-track by-pass where train schedules will not have to be altered.

But even with a single-track by-pass all trains can be accommodated.

Total by-pass length <500
Metro train length 150
Total to travel 650

Use a temporary by-pass speed restriction to suit track transitions:

Transit use time in by-pass
At 40km/hr ~ time 59 secs
At 50km/hr 47 secs
At 60km/hr 39 secs
Add acceleration 10 – 15 secs

Red figures indicate new schedule
All changes within 2 minutes

A minimum of 3 minutes between
entry to by-pass end

All trains serviced ~ No bussing reqd.

Morning peak

Bonbeach By-pass   Carrum
0600 0601
0606
10 11
20 21
22/24
29 30
33
43/42
44 45
47/48
50 51
55
59
0702 0703
0709
12 13
16
 20/19
21 22
24/25
28
31 32
35
 39
43
 43/45 44/46
49
53
53/55 54/56
59
0804 05
0810
16 17
21
26 27
 33
37 38
43
 46 47
 53
54/55 55/56

Evening peak

Bonbeach By-pass Carrum
1702
1704 1705
12
14 15
 22
25 26
 30
35 36
39 40
44
49 50
53
59 1800
1803
1805 1806
10 11
13/14
21 22
23/25
25/27 26/28
32/31 33/32
33/35
36/37 37/38
44/43 45/44
 45/47
 48/49 49/50
 54
54/56 55/57
1906 1907
10
10/12 11/13
16 17
20 21
24
 26 27
 37 38
39/41
 47 48
54
 57 58

Changes to the Patterson River rail bridge DO NOT require a closure of the Frankston line for up to six months.

Leave a Reply

Your email address will not be published. Required fields are marked *