Transferring Data from a Single XML Stream into Multiple Tables with One Forward-Only Read

CREATE TABLE [dbo].[TxcRoute](
	[RouteID] [nvarchar](15) NOT NULL,
	[PrivateCode] [nvarchar](15) NOT NULL,
	[Description] [nvarchar](255) NOT NULL,
	[RouteSectionRef] [nvarchar](20) NOT NULL,
 CONSTRAINT [PK_TxcRoute] PRIMARY KEY CLUSTERED 
(
	[RouteID] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]

CREATE TABLE [dbo].[TxcRouteLink](
	[RouteLinkID] [nvarchar](20) NOT NULL,
	[RouteSectionRef] [nvarchar](20) NOT NULL,
	[FromID] [nvarchar](13) NOT NULL,
	[ToID] [nvarchar](13) NOT NULL,
	[Direction] [nvarchar](1) NOT NULL,
 CONSTRAINT [PK_TxcRouteLink] PRIMARY KEY CLUSTERED 
(
	[RouteLinkID] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]