<turns>
	<interval begin="0" end="10000">
            <!-- at the first junction, do not drive straight -->
		<fromedge id="beg">
			<toedge id="beg2right" probability=".5"/>
			<toedge id="beg2left" probability=".5"/>
			<toedge id="middle" probability="0"/>
			<toedge id="-beg" probability="0"/>
		</fromedge>

		<!-- when the roads merge, drive back -->
		<fromedge id="right2end">
			<toedge id="-middle" probability="1"/>
			<toedge id="end" probability="0"/>
			<toedge id="-left2end" probability="0"/>
			<toedge id="-right2end" probability="0"/>
		</fromedge>
		<fromedge id="left2end">
			<toedge id="-middle" probability="1"/>
			<toedge id="end" probability="0"/>
			<toedge id="-right2end" probability="0"/>
			<toedge id="-left2end" probability="0"/>
		</fromedge>

		<!-- after being almost at the begin again, drive back -->
		<fromedge id="-middle">
			<toedge id="middle" probability="1"/>
			<toedge id="-beg" probability="0"/>
			<toedge id="beg2right" probability="0"/>
			<toedge id="beg2left" probability="0"/>
		</fromedge>

		<!-- leave then -->
		<fromedge id="middle">
			<toedge id="end" probability="1"/>
			<toedge id="-middle" probability="0"/>
			<toedge id="-right2end" probability="0"/>
			<toedge id="-left2end" probability="0"/>
		</fromedge>

		<!-- these asssert that vehicles do not turn around anywhere else -->
		<fromedge id="beg2right">
			<toedge id="right" probability="1"/>
			<toedge id="-beg2right" probability="0"/>
		</fromedge>
		<fromedge id="beg2left">
			<toedge id="left" probability="1"/>
			<toedge id="-beg2left" probability="0"/>
		</fromedge>
		<fromedge id="right">
			<toedge id="right2end" probability="1"/>
			<toedge id="-right" probability="0"/>
		</fromedge>
		<fromedge id="left">
			<toedge id="left2end" probability="1"/>
			<toedge id="-left" probability="0"/>
		</fromedge>

	</interval>
</turns>