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- 38 , latitude of origin MAP by W7KKE in Foster CIty
- 122.2 , long of origin
- 2400 , pixels per degree vert
- 37.88334 , Latitude of map center
- 122.1167 , Longitude of map center
- 6 , Map range in miles
- .25 , Min range for zoom function
- Orinda & Lafayette area
- 0,0
- 11 ,Lafayette Res.
- 141,276
- 139,276
- 138,276
- 138,280
- 139,280
- 139,280
- 135,282
- 131,284
- 130,282
- 128,280
- 126,280
- 126,282
- 127,286
- 127,288
- 125,288
- 126,288
- 125,288
- 124,292
- 124,292
- 126,292
- 125,292
- 128,292
- 128,292
- 132,290
- 134,292
- 136,292
- 137,292
- 139,292
- 140,292
- 140,292
- 140,288
- 141,288
- 142,286
- 143,288
- 143,286
- 145,284
- 148,286
- 149,284
- 151,286
- 151,288
- 152,288
- 153,288
- 154,288
- 154,288
- 155,284
- 154,282
- 150,280
- 151,280
- 142,276
- 0,0
- 11 ,Briones Reservoir
- -18,208
- -16,208
- -15,204
- -17,204
- -14,204
- -13,200
- -9,200
- -11,200
- -16,198
- -19,196
- -15,196
- -11,192
- -9,192
- -7,190
- -4,188
- -2,186
- -9,188
- -8,184
- -3,176
- -4,172
- 3,170
- 7,172
- 9,176
- 13,180
- 19,182
- 26,184
- 33,184
- 38,184
- 44,184
- 49,186
- 55,184
- 58,184
- 59,184
- 63,184
- 65,184
- 69,186
- 72,186
- 76,186
- 75,184
- 69,182
- 66,180
- 67,176
- 65,178
- 62,180
- 57,180
- 59,176
- 58,174
- 55,178
- 54,180
- 51,180
- 47,180
- 46,180
- 39,180
- 37,176
- 38,176
- 32,178
- 29,178
- 31,176
- 25,172
- 24,172
- 17,172
- 17,170
- 21,168
- 22,164
- 22,160
- 25,152
- 19,156
- 17,160
- 15,164
- 11,164
- 7,164
- 5,160
- 2,160
- 1,158
- -4,164
- -5,156
- -10,160
- -12,162
- -11,164
- -14,168
- -13,168
- -17,170
- -26,162
- -31,160
- -29,164
- -26,168
- -21,172
- -19,176
- -24,176
- -24,180
- -25,180
- -22,184
- -21,186
- -23,188
- -28,186
- -30,184
- -33,190
- -32,192
- -33,194
- -32,196
- -34,200
- -18,208
- 0,0
- 10 ,Hwy 24 from Caldecotte Tunnel east
- -28,330
- -27,326
- -27,324
- -25,322
- -23,320
- -19,320
- -14,316
- -9,316
- -4,316
- 2,316
- 4,316
- 8,314
- 22,304
- 28,300
- 33,296
- 37,292
- 42,284
- 44,280
- 50,272
- 53,268
- 58,264
- 62,262
- 65,260
- 70,260
- 75,258
- 80,257
- 95,257
- 101,258
- 109,260
- 116,260
- 139,260
- 143,262
- 148,264
- 151,262
- 0,0
- 12 ,Grizzly Peak Blvd
- -49,328
- -47,330
- -44,334
- -39,338
- -37,338
- -34,340
- -34,344
- -32,344
- -33,348
- -32,348
- -31,350
- -30,352
- -27,352
- -25,352
- -19,352
- -16,352
- -11,354
- -10,356
- -10,356
- -8,360
- -7,360
- -6,362
- -4,364
- -2,364
- 2,368
- 0,0
- 12 ,Camino Pablo Rd
- -49,230
- -43,232
- -36,238
- -29,240
- -27,240
- -20,248
- -17,254
- -14,256
- -12,258
- -8,258
- -5,260
- -3,262
- 3,264
- 7,264
- 9,268
- 10,268
- 12,272
- 15,276
- 17,280
- 24,284
- 29,288
- 34,290
- 40,292
- 45,292
- 51,304
- 54,318
- 59,322
- 64,326
- 73,330
- 79,332
- 87,336
- 91,338
- 95,340
- 99,340
- 105,344
- 110,346
- 113,348
- 114,350
- 115,352
- 115,354
- 114,356
- 113,360
- 112,360
- 113,364
- 113,364
- 148,396
- 166,406
- 0,0
- 12 ,Bear Creek Rd
- -51,244
- -48,242
- -46,240
- -46,238
- -42,238
- -42,240
- -39,238
- -38,238
- -37,240
- -35,240
- -31,240
- -30,240
- -28,240
- -25,236
- -22,236
- -21,236
- -21,234
- -22,232
- -24,228
- -27,226
- -29,224
- -31,222
- -31,220
- -28,218
- -25,216
- -21,218
- -17,220
- -15,218
- -12,216
- -10,212
- -9,212
- -8,210
- -7,208
- -3,200
- -3,196
- 1,192
- 5,188
- 6,184
- 10,184
- 14,188
- 20,188
- 27,188
- 37,192
- 48,192
- 57,194
- 66,194
- 75,192
- 82,188
- 84,184
- 87,180
- 88,172
- 86,168
- 80,164
- 72,164
- 62,162
- 58,160
- 56,156
- 50,156
- 47,152
- 43,148
- 36,148
- 33,148
- 30,144
- 30,142
- 31,136
- 32,132
- 0,0
- 12 ,Miners Rd
- 9,266
- 10,264
- 10,262
- 10,260
- 10,260
- 11,258
- 11,256
- 12,254
- 14,252
- 16,248
- 15,246
- 18,240
- 18,236
- 21,234
- 24,232
- 28,232
- 33,230
- 40,232
- 41,228
- 40,228
- 41,224
- 43,224
- 45,224
- 47,224
- 49,224
- 53,226
- 54,228
- 56,228
- 57,232
- 57,232
- 59,232
- 59,232
- 60,232
- 61,232
- 61,232
- 63,232
- 64,232
- 65,232
- 68,232
- 69,234
- 70,236
- 70,238
- 70,240
- 70,242
- 70,246
- 70,248
- 69,248
- 69,250
- 70,252
- 70,252
- 69,252
- 70,254
- 71,256
- 71,256
- 72,256
- 79,256
- 102,256
- 109,256
- 116,256
- 121,256
- 128,260
- 0,0
- 12 ,Upper Happy Vally Rd
- 113,224
- 113,234
- 114,236
- 118,236
- 118,240
- 118,246
- 117,252
- 116,256
- 116,256
- 0,0
- 12 ,Glorietta & Acalantes Rds
- 73,330
- 83,320
- 83,318
- 88,314
- 92,304
- 95,300
- 96,298
- 96,296
- 98,288
- 99,284
- 101,284
- 102,284
- 102,282
- 99,280
- 98,282
- 97,282
- 97,280
- 98,280
- 100,278
- 101,276
- 102,276
- 103,276
- 103,274
- 108,268
- 110,268
- 110,264
- 110,264
- 109,260
- 109,256
- 0,0
- 12 ,Mt Diablo Rd
- 110,264
- 117,266
- 121,264
- 135,264
- 139,266
- 142,268
- 145,268
- 149,270
- 153,268
- 0,0
- 12 ,Rheem Rd
- 88,314
- 90,314
- 94,312
- 98,312
- 101,312
- 105,312
- 112,312
- 113,312
- 118,314
- 122,314
- 127,316
- 129,316
- 132,318
- 137,320
- 142,322
- 147,324
- 151,324
- 155,324
- 155,326
- 0,0
- 10 ,Hwy 24
- 151,262
- 153,262
- 158,260
- 186,254
- 241,244
- 266,244
- 277,244
- 286,248
- 294,248
- 298,248
- 302,248
- 315,248
- 0,0
- 12 ,Pleasant Hill Rd
- 240,220
- 238,220
- 238,222
- 239,224
- 242,230
- 247,240
- 249,244
- 250,252
- 256,266
- 257,272
- 266,276
- 275,276
- 282,278
- 288,280
- 293,276
- 300,272
- 307,270
- 0,0
- 12 ,Rheem Valley Blvd
- 152,324
- 153,324
- 156,326
- 158,328
- 161,328
- 167,332
- 174,332
- 181,336
- 183,336
- 184,338
- 194,340
- 196,342
- 197,344
- 198,346
- 204,358
- 208,364
- 211,366
- 215,368
- 0,0
- 12 ,Moraga Rd
- 194,260
- 196,272
- 196,272
- 193,282
- 187,286
- 177,286
- 176,288
- 175,288
- 176,288
- 179,290
- 181,290
- 182,292
- 182,292
- 181,294
- 179,296
- 175,296
- 174,296
- 173,296
- 173,300
- 174,300
- 175,300
- 176,300
- 179,302
- 180,304
- 181,304
- 182,308
- 182,308
- 180,312
- 179,314
- 178,316
- 179,316
- 179,320
- 181,320
- 181,324
- 181,324
- 179,328
- 179,330
- 179,332
- 179,332
- 181,336
- 181,338
- 180,340
- 179,344
- 179,348
- 178,352
- 178,356
- 177,358
- 177,360
- 176,364
- 175,368
- 174,372
- 172,376
- 173,384
- 175,388
- 177,392
- 177,398
- 164,408
- 160,416
- 160,424
- 156,430
- 148,432
- 133,426
- 121,430
- 110,440
- 0,0
- 12 ,St Marys Rd
- 196,274
- 230,284
- 231,286
- 234,288
- 236,292
- 237,294
- 238,296
- 241,298
- 242,300
- 244,304
- 242,308
- 242,312
- 242,316
- 241,316
- 241,320
- 234,332
- 234,336
- 234,340
- 234,342
- 233,344
- 230,346
- 230,348
- 230,348
- 229,352
- 227,352
- 226,354
- 222,356
- 220,358
- 219,360
- 219,362
- 219,364
- 218,366
- 216,368
- 215,368
- 214,370
- 215,370
- 212,372
- 207,376
- 203,376
- 198,376
- 192,378
- 175,388
- 0,0
- 12 ,Mt Diablo Rd
- 153,268
- 167,264
- 170,262
- 178,260
- 194,260
- 209,256
- 214,256
- 229,252
- 235,248
- 238,248
- 241,248
- 244,248
- 248,248
- 249,248
- 0,0
- 12 ,Tce Valley Blvd
- 293,276
- 293,278
- 295,284
- 299,288
- 301,292
- 305,296
- 307,296
- 320,296
- 0,0
- 4 ,Solana Dr
- 200,276
- 200,276
- 199,278
- 200,280
- 202,280
- 204,280
- 205,280
- 205,282
- 205,284
- 204,284
- 203,284
- 202,286
- 200,286
- 199,286
- 203,288
- 205,288
- 207,288
- 210,288
- 0,0
- 4 ,Hamlin Rd & Sweet Dr
- 194,280
- 208,284
- 209,284
- 213,284
- 212,286
- 214,288
- 215,288
- 216,288
- 216,288
- 215,288
- 215,290
- 220,292
- 221,292
- 230,298
- 239,300
- 238,304
- 240,308
- 243,308
- 0,0
- 10 ,I-680
- 349,110
- 340,180
- 336,192
- 334,196
- 331,198
- 330,202
- 324,224
- 321,240
- 320,244
- 319,244
- 317,248
- 315,248
- 0,0
- 10 ,I-680 from 24 south
- 321,242
- 321,244
- 322,248
- 323,248
- 325,252
- 338,260
- 343,262
- 345,264
- 348,270
- 349,272
- 351,274
- 356,280
- 358,284
- 360,288
- 362,292
- 365,296
- 368,298
- 380,320
- 412,378
- 0,0
- 12 ,Tice Valley Rd
- 320,296
- 329,298
- 333,300
- 340,302
- 350,296
- 352,296
- 353,300
- 357,300
- 358,308
- 358,308
- 364,320
- 370,314
- 0,0
- 12 ,Danville Rd
- 361,292
- 369,312
- 372,320
- 406,394
- 0,0
- 12 ,Olympic Blvd
- 307,270
- 324,266
- 326,264
- 326,260
- 327,256
- 331,252
- 334,248
- 336,248
- 342,248
- 0,0
- 12 ,Geary Rd & Treat
- 311,174
- 357,172
- 362,174
- 364,172
- 375,164
- 379,160
- 388,156
- 0,0
- 12 ,Bancroft Rd & Walnut Av
- 374,168
- 387,188
- 404,200
- 421,204
- 438,204
- 0,0
- 4 ,Bancroft Rd
- 366,156
- 373,166
- 0,0
- 12 ,Ygnacio Vally Rd
- 325,226
- 327,228
- 332,226
- 333,226
- 334,224
- 339,222
- 342,224
- 344,224
- 346,220
- 355,216
- 360,216
- 362,216
- 375,204
- 382,192
- 384,190
- 389,188
- 400,180
- 403,180
- 413,176
- 425,170
- 434,168
- 441,164
- 445,160
- 447,156
- 0,0
- 12 ,Grove Rd
- 415,156
- 431,180
- 433,196
- 437,204
- 0,0
- 12 ,Buena Vista Av
- 316,156
- 317,174
- 316,178
- 316,188
- 316,196
- 317,196
- 317,200
- 325,216
- 323,224
- 326,228
- 0,0
- 12 ,N. Main Rd
- 340,160
- 331,196
- 333,222
- 342,244
- 342,248
- 344,252
- 347,264
- 0,0
- 4 ,Civic Dr
- 313,232
- 321,236
- 324,236
- 334,236
- 336,236
- 339,234
- 342,232
- 343,228
- 345,220
- 344,216
- 341,212
- 346,172
- 0,0
- 4 ,California Blvd
- 334,204
- 334,208
- 331,218
- 330,220
- 330,222
- 333,234
- 336,242
- 335,244
- 336,246
- 338,252
- 339,256
- 0,0
- 4 ,Happy Valley Rd
- 176,260
- 173,250
- 156,232
- 113,222
- 100,214
- 0,0
- 12 ,Happy Valley Rd
- 83,188
- 88,188
- 91,192
- 92,194
- 93,196
- 99,196
- 95,196
- 96,200
- 98,200
- 98,204
- 94,204
- 89,202
- 87,204
- 87,204
- 89,208
- 100,214
- 0,-1
- 0, Start map label data
- Rheem Valley,37.86039,122.1228,2
- Orinda,37.86307,122.1589,8
- Lafayette,37.89577,122.1423,8
- Walnut Crk,37.89911,122.0633,16
- I-680,37.88375,122.0479,8
- Hwy 24,37.89977,122.1093,8
- St Marys Rd,37.86438,122.098,2
- Rheem Blvd,37.86839,122.1411,2
- Glorietta,37.87574,122.159,2
- Moraga Wy,37.8704,122.1776,2
- Hwy 24,37.88576,122.1783,8
- Happy Vly Rd,37.90244,122.1318,2
-