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Contents of NUROADS.AAT: Variable Begin Column Defined Item Name Item Definition From-Node 1 FNODE# 4,5,B To-Node 5 TNODE# 4,5,B Left-polygon 9 LPOLY# 4,5,B Right-polygon 13 RPOLY# 4,5,B Length 17 LENGTH 4,18,F,5 Internal Number 25 NUROADS# 4,5,B User-ID 29 NUROADS-ID 4,5,B X, Y Coordinate 33 X-Y 35, 35, C Road Code 68 RDCODE 4,4,I Directional Prefix 72 FDPRE 2,2,C Street Name 74 FNAME 30,30,C Thoroughfare Type 104 FTYPE 4,4,C Post Directional 108 FDSUF 2,2,C T/ship Route Num 110 RTENUM 4,4,I 114 TNAME 3,3,I T/ship Route Suffx 117 TSUFX 1,1,C Road Type 118 RDTYPE 1,1,C From Left Address 119 LLEFT 6,6,I To Left Address 125 HLEFT 6,6,I From Right Address 131 LRGHT 6,6,I To Right Address 137 HRGHT 6,6,I Address Source 143 ATYPE 1,1,C Municipal Code 144 LTWNSH 2,2,C 146 RTWNSH 2,2,C USS Zipcode 148 LZIPCD 5,5,C 153 RZIPCD 5,5,C Emergncy Ser. Grid 158 LGRID 4,4,C 162 RGRID 4,4,C From Impedence 166 FRIMP 8,8,N,3 To Impedence 174 TOIMP 8,8,N,3 Source 182 SOURCE 3,3,C Source Date 185 SOURCE-DATE 6,6,C Update Date 191 UPD-DATE 8,8,C Update Name 199 UPD-NAME 15,15,C Update Type 214 UPD-TYPE 3,3,C 217 NEW 1,1,C 218 BUILT 1,1,C Item Descriptions and Codes RDCODE County street code which uniquely identifies a street name. This is the relate item to the ROAD_CODE.LUT which stores the street name (25 character) and vanity name (25 character) RDTYPE Code indicating the classification of the street. A = Private drive B = Borough and City Roads. C = County Roads. D = Dirt Roads. S = State Roads. T = Township Roads. O = Other. R = Ramp Z = Internal non-road polygon RTENUM Official route number for state and county roads. SOURCE See BLDGS coverage. Notes: 1. Valid entries for directional elements and throughfare types are based on the CAD file documentation. In addition, the municipal code is the 2 character code used in the CAD file. 2. Road type indicates the calssification of the street, per ADR database design. We need to discuss source of and/or methodology for assigning this date. 3. Address Source: C - LCWC CAD file I - Imputed T - Tax Maps P - Postal maps F - AVS date (Field Survey) M - Municipal/County supplied N - New addressing State route and township route numbers are based on the Penn DOT Series 10 maps.4. Network Considerations: a. The From and To impedence values will allow model movement in either direction along arcs. The impedence values will repre-sent the amount of resistance required to traverse the arc. This resistance will be measured in minutes. Negative Impe-dence values will block travel in one or both directions. By default, roads will be assumed to be bi-directional with speeds assigned based on road type. The Arc length and speed will be used to derive the time required to traverse the arc. Based on AVS data and county input, individual arcs will beadjusted to reflect variations in speed and any directional restrictions.b. The following is a record layout for the standard ARC/INFO turntable.Field Field Name Type Width Dec 1 NODE- Numeric 11 2 ARC1- Numeric 11 3 ARC2- Numeric 11 4 AZIMUTH Numeric 13 3 5 ANGLE Numeric 13 3 6 ARC1-ID Numeric 11 7 ARC2-ID Numeric 11 8 TURN-IMP Numeric 8 3 Turning time required
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