Getting from Jerusalem to Tel Aviv and back

There are two roads between Jerusalem and Tel Aviv. Route 1 was built shortly after the 1967 war, is mostly - but not entirely - on the pre-war side of the 'green line' and is mostly a good highway with at least three lanes in each direction as a result of many improvements that have taken place over the last 15-20 years. For Israelis who (believe they) won't go 'there,' Route 1 is the road from