A PVT PLT LANDED AT DWH ON RWY 35L. HE TAXIED OFF OF THE RWY ONTO A TXWY AND CONTACTED GND. GND NOTIFIED HIM THAT HE WAS BLOCKING AN ACTIVE RWY. THE RPTR STATED THAT THE DWH ARPT PLATE SHOULD BE CHANGED.

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EXITED RWY AFTER LNDG. ADVISED BY TWR TO CONTACT GND. UPON CONTACTING GND; WAS ADVISED THAT I WAS 'BLOCKING AN ACTIVE RWY.' NO FURTHER INSTRUCTIONS RECEIVED FROM GND UNTIL I SPECIFICALLY ASKED TWICE TO CONFIRM TAXI CLRNC. DWH ARPT CHART SHOWS TXWY ON N END OF RWY 35R; NOT XING RWY 35R. I HAD LANDED ON RWY 35L. CHART SHOULD BE CHANGED. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR REITERATED THAT HE WAS ON A PVT FLT AND LANDED AT DWH ON RWY 35L. THIS WAS HIS FIRST FLT TO DWH AND HE HAD REVIEWED HIS GOV CHARTS FOR THE ARPT DIAGRAM AHEAD OF TIME. HE HAD DECIDED TO EXIT AT TXWY E. AS HE TAXIED OFF OF RWY 35L AT TXWY E; HE WAS TOLD BY THE TWR THAT HE WAS BLOCKING AN ACTIVE RWY. WHEN HE QUERIED THE CTLR AS TO WHICH RWY HE WAS BLOCKING; THE CTLR WOULD NOT SPECIFY. FEELING AT RISK FOR MAKING MORE MISTAKES; THE RPTR WOULD NOT MOVE HIS ACFT UNTIL HE RECEIVED SPECIFIC TAXI CLRNC FROM THE CTLR. ALL HE WAS TOLD WAS THAT HE WAS CLRED TO TAXI TO THE RAMP. THE RPTR DID NOT RECALL SEEING ANY LINES ON THE GND TO INDICATE WHERE TO HOLD SHORT FOR RWY 35R OR TAXI PAST FOR RWY 35L. ON BOTH THE COMMERCIAL AND GOV CHARTS; THERE DOES NOT APPEAR TO BE ANY AREA WHERE TXWY E COMES INTO CONTACT WITH RWY 35R. CALLBACK CONVERSATION WITH DWH TWR REVEALED THE FOLLOWING INFO: THE SPECIALIST STATED THAT TXWY E MERGES WITH THE DEP END OF RWY 35R AND THE APCH END OF RWY 17L. HE SPECIFIED THAT AN ACFT AT TXWY E IS NOT CLR OF THE RWY. HE STATED THAT THERE ARE HOLD SHORT LINES DEPICTED ON THE TXWY.