Jonathan Tyler is a

Green Party A green party is a formally organized political party based on the principles of green politics, such as social justice, environmentalism and nonviolence. Greens believe that these issues are inherently related to one another as a foundation ...

activist and academic. Tyler was an early parliamentary candidate for the

Ecology Party The Green Party, also known as the Green Party UK, was a Green political party in the United Kingdom. Prior to 1985 it was called the Ecology Party, and before that PEOPLE. In 1990, it separated into three political parties: * the Green Part ...

, in the 1976 Walsall North by-election, at a time when he was a transport lecturer at the

University of Birmingham , mottoeng = Through efforts to heights , established = 1825 – Birmingham School of Medicine and Surgery1836 – Birmingham Royal School of Medicine and Surgery1843 – Queen's College1875 – Mason Science College1898 – Mason Univers ...

. He was the Ecology Party's Chairman for some years from 1976. Tyler would later go on to stand as a candidate in local elections. During the 1980s he was associated with attempts by the 'Maingreen' group to streamline the Green Party's internal workings. He subsequently left the Green Party, but rejoined some years later. Tyler joined

British Rail British Railways (BR), which from 1965 traded as British Rail, was a state-owned company that operated most of the overground rail transport in Great Britain from 1948 to 1997. It was formed from the nationalisation of the Big Four British rai ...

as a Traffic Apprentice in 1962. He became a British Rail-sponsored university lecturer and since 2000 has run a consultancy called Passenger Transport Networks. He has specialised in making the case for the importance of integrated strategic timetabling, drawing in particular on the Swiss '' Taktfahrplan'' methodology. The ''Taktfahrplan'' is based on repeating hourly cycles where trains meet at hubs around symmetry minutes (normally xx.00 and xx.30) to optimise connections in all directions. To create an optimal 'Taktfahrplan' system, infrastructure must be designed with the network timetable in mind. The 'Taktfahrplan' aims to create notions of convenience and accessibility to encourage people to use public transport. Tyler has argued for a National Timetabling Authority to plan an integrated strategic timetable. Tyler has critiqued

High Speed 2 High Speed 2 (HS2) is a planned high-speed railway line in England, the first phase of which is under construction in stages and due for completion between 2029 and 2033, depending on approval for later stages. The new line will run from its m ...

from a "green" perspective, and has written about the implications a "green" agenda should have for railway timetabling. He chaired the York Environment Forum until 2010. , As a prominent member of York Green Party he was its Parliamentary Candidate for York Central in 2015, winning 10% of the vote.

References

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Passenger Transport Networks
Green Party of England and Wales parliamentary candidates Living people Academics of the University of Birmingham Year of birth missing (living people) {{UK-politician-stub