Here are file formats for a few data files in this folder:
    550    7691   25633 lds.txt
1204192	74	14	0	0	0	0	0	0	5	S0.64	S LUIS REY	

   5525   60775  276780 loop.txt
   5496   54078  433176 old_vds_data/atms_loop_vds_update.txt

    562    5010   74347 old_vds_data/chu_atms_lds.txt
    LDS_ID   LINE_NUM STN_ADDRESS LDS FREEWAY_ID D CAL_POSTMILE LDS_NAME
   1204192         74          14 170          5 S          .64 S LUIS REY

   5699   55363  750080 old_vds_data/chu_atms_loop.txt

    551    4949   46824 old_vds_data/cleaned_chu_atms_lds_data.txt
    LDS_ID   LINE_NUM STN_ADDRESS LDS FREEWAY_ID D CAL_POSTMILE LDS_NAME            
   1204192         74          14 170          5 S          .64 S LUIS REY          

   5496   54078  433176 old_vds_data/cleaned_chu_atms_loop_data.txt
   2540   39655  213371 old_vds_data/d12_vds_meta.orig..txt
   2540   39655  213371 old_vds_data/d12_vds_meta.txt
   3637   14757   70681 old_vds_data/highway_stations.txt

    178    2504   15351 old_vds_data/lds.txt
lds_id	line 	drop sch lineinfo	system_key	sch_seq glo_seq		count	freeway	Dir	ca_pm	lds_name		
1203115	50	10	13	13	1123005873	24148	1357650		19	55	N	6.94	MACARTHU1

   5495   60445  274881 old_vds_data/loop.txt


ExtendLDS/newlds.txt
    LDS_ID   LINE_NUM STN_ADDRESS LDS FREEWAY_ID D CAL_POSTMILE LDS_NAME
   1204192         74          14 170          5 S          .64 S LUIS REY

ExtendLDS/extends_lds.txt
1204192	74	14	0	0	0	0	0	0	5	S	0.64	S LUIS REY