More train passengers feel unsafe travelling at night, with new research identifying the Midland and Armadale lines as the worst.
The passenger satisfaction monitor 2012 - a report for Transperth by local consultancy Painted Dog Research - was based on interviews with 3050 bus, 1000 train and 200 ferry commuters.
The number of passengers who felt unsafe at night jumped from 23 to 28 per cent - including nearly half of all Armadale patrons interviewed and nearly one-third of all Midland patrons.
Four in five commuters identified drunks and drug users as the biggest safety threat at night.
This was followed by concerns of not enough guards or security cameras on trains.
In addition, 43 per cent of patrons felt unsafe at the Midland station while the Mandurah station was considered the safest.
Transport Minister Troy Buswell said the State Government was constantly working on measures to make night-time train travel safe.
These included monitored CCTV, high-level lighting and trained security personnel.
Mr Buswell said the patronage of trains from Perth on Saturday nights showed commuters were prepared to use public transport late at night.
The research also found that satisfaction with the frequency of Perth's peak-hour train service hit an all-time low in 2011-12.
Though nine out of 10 patrons were satisfied with the trains in general, satisfaction with peak-hour services fell to 76 per cent.
The worst result was for the Fremantle line.
Relatively high dissatisfaction levels were also recorded for the availability of seats (21 per cent) and the quality of station facilities (16 per cent).
But Mr Buswell said Perth people were voting with their feet and using trains in record numbers.
"We realise that there are some concerns with the pressure at peak times and that is why we have ordered extra trains to cater for demand," he said.
Bus patron satisfaction remained steady this year, with about eight in 10 satisfied with the overall bus network.
The Morley area recorded significant improvements for the second successive year but the result in Midland deteriorated sharply over the past 12 months.Midland commuters were dissatisfied with the frequency of bus services in the evenings and weekends, the lack of general services in some areas and poor bus-train connections.
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