Conclusions and comparisons of options

Two options have been presented here for review and comment. The principal characteristics of each option are summarised in Table 5 below.

EISL A EISL B
Distance from station to airport terminal 1,700m 300m
Link from station to terminal Automatically controlled elevated shuttles Moving walkway
Trains per hour each way
Phase 1
Phase 2
Phase 3

8
12
17

4
9
17
Capital cost
Phase 1
Phase 2
Phase 3
Total (phased)

534m
130m
226m
890m

249m
283m
150m
682m
Capital cost
simultaneous build

844m

600m
Additional operating and maintenance costs ~6m p.a.(inc. airport shuttle) ~2.6m p.a.
Minimum rail curve radius
E&G line
Airdrie Bathgate line
Fife loop

1000m
1000m
800m

625m
500m
625m
Track elevation at station
Westbound
Eastbound

+58m
+43m

+28m
+28m
Steepest uphill gradient
E&G line
Airdrie Bathgate line
Fife loop

1:250
1:250
1:115

1:110
1:85
1:100
Steepest downhill gradient
E&G line
Airdrie Bathgate line
Fife loop

1:100
1:100
1:60

1:110
1:50
1:50
Lowest speed constraint
E&G line
Airdrie Bathgate line
Fife loop

80mph
80mph
70mph

65mph
40mph
65mph
Journey time increase (including 150 seconds dwell at station)
E&G line
Airdrie Bathgate line
Fife loop

4 min
4 min
7 min

5 min
6 min
7 min
Airport expansion restrictions None Some minor redesign of expanded terminal and apron
RHC relocation restrictions Redesign of new RHC to include station and expansion south to M8 None

Table 5: Principal characteristics: EISL A and EISL B

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