Tasker Task to text your ETA.

Headed_Home.tsk.xml

<TaskerData sr="" dvi="1" tv="4.7u3m">
	<Task sr="task22">
		<cdate>1345254133188</cdate>
		<edate>1440093400667</edate>
		<id>22</id>
		<nme>Headed Home</nme>
		<pri>100</pri>
		<Action sr="act0" ve="7">
			<code>902</code>
			<Int sr="arg0" val="0"/>
			<Int sr="arg1" val="100"/>
			<Int sr="arg2" val="0"/>
			<Int sr="arg3" val="0"/>
		</Action>
		<Action sr="act1" ve="7">
			<code>118</code>
			<Str sr="arg0" ve="3">maps.googleapis.com</Str>
			<Str sr="arg1" ve="3">maps/api/directions/json</Str>
			<Str sr="arg2" ve="3">origin=%LOC
destination=%HOME
sensor=false</Str>
			<Str sr="arg3" ve="3"/>
			<Str sr="arg4" ve="3"/>
			<Int sr="arg5" val="10"/>
			<Str sr="arg6" ve="3">text/plain</Str>
			<Str sr="arg7" ve="3"/>
			<Int sr="arg8" val="0"/>
		</Action>
		<Action sr="act2" ve="7">
			<code>129</code>
			<Str sr="arg0" ve="3">var t = JSON.parse(global('HTTPD'));
 
var dur = t.routes[0].legs[0].duration.text;
var dist = t.routes[0].legs[0].distance.text;
 
var msg = "I'm ";
 
if (dist) msg += dist + " miles and ";
 
if (dur) msg += dur + " minutes from home.";
 
var ok = sendSMS(global('HOMENUM'), msg);
 
flashLong("Sent message: " + msg);</Str>
			<Str sr="arg1" ve="3"/>
			<Int sr="arg2" val="1"/>
			<Int sr="arg3" val="45"/>
			<ConditionList sr="if">
				<Condition sr="c0" ve="3">
					<lhs>%HTTPL</lhs>
					<op>7</op>
					<rhs>0</rhs>
				</Condition>
			</ConditionList>
		</Action>
	</Task>
</TaskerData>

I had used the original for a while but it quit working. Is this the original and does it work for you?