DEALEY PLAZA--DALLAS, TEXAS 1. TEXAS SCHOOL BOOK DEPOSITORY 2. DAL-TEX BUILDING 3. DALLAS COUNTY RECORDS BUILDING 4. DALLAS COUNTY CRIMINAL COURTS BUILDING 5. OLD COURT HOUSE 6. NEELEY BRYAN HOUSE 7. DALLAS COUNTY GOVERNMENT CENTER (UNDER CONSTRUCTION) 8. UNITED STATES POST OFFICE BUILDING 9. PERGOLAS 10. PERISTYLES AND REFLECTING POOLS 11. RAILROAD OVERPASS (TRIPLE UNDERPASS) ] [Illustration: COMMISSION EXHIBIT NO. 2113 FREEWAY CONVERGENCE AT TRIPLE UNDERPASS DALLAS, TEXAS] [Illustration: COMMISSION EXHIBIT NO. 2114 A. LOOKING TOWARD ENTRANCE TO DEALEY PLAZA FROM INTERSECTION OF HOUSTON AND ELM STS. B. LOOKING WEST THROUGH DEALEY PLAZA ALONG ELM ST. C. LOOKING WEST THROUGH TRIPLE UNDERPASS D. LOOKING WEST TOWARD COMMERCE ST. FROM TRIPLE UNDERPASS] [Illustration: COMMISSION EXHIBIT NO. 2115 PLAN VIEW OF FREEWAY CONVERGENCE WEST OF TRIPLE UNDERPASS DALLAS, TEXAS ] [Illustration: COMMISSION EXHIBIT NO. 2116 AERIAL VIEW (500 FT. ALTITUDE) OF FREEWAY CONVERGENCE WEST OF TRIPLE UNDERPASS, DALLAS, TEXAS ] [Illustration: COMMISSION EXHIBIT NO. 2967 Traffic sign on Main Street which directs westbound traffic to turn right at Houston Street to gain access to the Dallas-Fort Worth Turnpike.] The Elm Street approach to the Stemmons Freeway is necessary in order to avoid the traffic hazards which would otherwise exist if right turns were permitted from both Main and Elm into the freeway. To create this traffic pattern, a concrete barrier between Main and Elm Streets presents an obstacle to a right turn from Main across Elm to the access road to Stemmons Freeway and the Dallas-Fort Worth Turnpike. This concrete barrier extends far enough beyond the access road to make it impracticable for vehicles to turn right from Main directly to the access road. A sign located on this barrier instructs Main Street traffic not to make any turns.[C2-45] (See Commission Exhibits Nos. 2114-2116, pp. 35-37.) In conformity with these arrangements, traffic proceeding west on Main is directed to turn right at Houston in order to reach the Dallas-Fort Worth Turnpike, which has the same access road from Elm Street as does the Stemmons Freeway.[C2-46] (See Commission Exhibit No. 2967, p. 38.)