'Creates a new route table.
:type vpc_id: str
:param vpc_id: The VPC ID to associate this route table with.
:type dry_run: bool
:param dry_run: Set to True if the operation should not actually run.
:rtype: The newly created route table
:return: A :class:`boto.vpc.routetable.RouteTable` object'

def create_route_table(self, vpc_id, dry_run=False):

    params = {'VpcId': vpc_id}
    if dry_run:
        params['DryRun'] = 'true'
    return self.get_object('CreateRouteTable', params, RouteTable)
