Does anyone know why they run a 158 on a reasonably short shuttle route yet leave people travelling on the Weymouth to Great Malvern services - a distance of some 4-5 hours - to suffer a 150?
The Weymouth line is not ideally suited to 158's. The trains call at all stops, meaning that much of the traffic is made up of people making journeys far shorter than the full end-to-end time of the route. It really isn't an express service. 158's would also struggle chronically with the very heavy loadings during busy times, with volume of families, buggies and luggage causing big problems due to the restrictive access to the coaches. A 150 will swallow a large crowd far more quickly.
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As far as I'm concerned it's brilliant for the front set of doors to lock out. It prevents passengers going in there to make a mobile phone call which could be distracting to the driver. Also, it means there is not a build up of luggage blocking the drivers only escape route from the crumple zone.
It's fine on most of SWT's work, as you generally have a 6 or 9 car to W'loo with lots of other doors available, or just a 158 on the lightly loaded Romsey shuttles. There is a manager at FGW who is trying to put together a case for doing the same mod, however the person concerned has completely failed to grasp the enormous problems this would cause on services which are frequently full to standing capacity, and the associated skyrocket in delay costs as passengers fight their way out of the front coach at station after station (exactly what happened when the SWT hire-in ended up on the Brighton service, carnage
). Very unlikely to happen.