In March, 1925, a convict labor camp was organized near the town of Clayton to assist in the construction of SH 10 in Pushmataha County.
In March, 1936, twenty survey teams began work observing and recording distances of roads, bridges, streams and railroads in the state. 101,125 miles of roadway were recorded
On March 1, 1922, a project to pave 15 miles of roadway from the Neosha River Bridge near Miami southwesterly through Narcissa to Afton in Ottawa County completed.
On March 1, 1948, the Highway Commission established permanent Resident Engineer’s Headquarters in all 8 Divisions
On March 1, 1969, The Department of Highways’ Right-of-Way Division was reorganized and divided into the Bureau of Engineering and the Bureau of Acquisition.
On March 2, 1927, the Commission designated SH 50 from Mooreland via Freedom to the junction of US 64 in Woods County.
On March 2, 1953, SH 93 was designation from Hugo to Rattan.
On March 3, 1953, SH-40 Business was designed from Harding Ave. north to the junction of US-77 in Ponca City.
On March 4. 1927, U.S. Congress approved a special act placing the control of the tolls on the bridges across the Red River under the jurisdiction of the War Department
On March 4, 1963, SH 32 Truck Route was designated in Marietta from the junction of US 77 northeasterly to the junction of SH 32 (Main Street).
On March 4, 1974, the Oklahoma Legislature approved House Bill 1504, making the maximum speed limit on all Oklahoma highways 55 miles per hour.
On March 4, 1991, the Transportation Commission appointed Bobby G. Green as the 5th Director of Oklahoma Department of Transportation.
On March 5, 1945, the Transportation Commission designated SH 91 from Guymon south to the Texas State Line.
On March 6, 1956, Gov. Gary requested the Transportation Commission make every effort to start Highway-77 construction as soon as possible because of its economic importance.
On March 6, 1961, a resolution was adopted allowing Congress to grant relief on State payments for the relocation of roads near the Oologah, Keystone and Eufaula Reservoirs.
On March 7, 1924, the gasoline tax was amended by House Bill 14 to levy an excise tax of 2 ½ cent per gallon to allow for purchasing right-of-way and improved highway construction.
On March 8, 1954, the Highway Commission authorized the Director to enter into an engineering contract for the survey and plans for the Tinker Diagonal in Oklahoma County.
On March 9,1949, the Highway Commission awarded the contract for two bridges over the Mountain Fork River, 7 miles east of Broken Bow. Both bridges are still in use today.
On March 11, 1985, a dedication ceremony was held at the Ft. Sill Reservation celebrating resuming rail service from Chickasha, through Anadarko, Fort Sill, to Wichita Falls, TX.
On March 12, 1947, H. E. Bailey was appointed by the Transportation Commission as Director of the State Highway Department and was to receive a salary of $12,000 per year.
On March 12, 1949, work started to convert the Tulsa-Sapulpa Highway (US 66) to a 4-lanes highway with two additional lanes for parking.
On March 13, 1947, members of the Highway Commission met with the Director to formulate tentative rules and regulations to govern the Highway Department.
On March 14, 1924, Senate Bill 44 was approved creating a three-member State Highway Commission and setting each Commissioner’s term of office at six years.
On March 15, 1915, the legislature passed the first bill establishing the metal vehicle license plate and requiring them to be attached to the rear of vehicles.
On March 15, 1930, the Highway Commission created a purchasing department to centralize all purchases and obtain competitive bidding to receive the best prices.
On March 16, 1911, the Oklahoma Legislature approved House Bill 318, establishing a State Department of Highways.
On March 16, 1917, the House Joint Resolution 16 was passed, providing the matching funds needed in order to accept federal funds from the Federal Aid Road Act of 1916.
On March 17, 1969, the Highway Commission formally provided for a study of every road, highway, and street within the state, a requirement of the 1968 Federal Highway Act.
On March 18, 1924, the terms of office for the first three Highway Commissioners, Cyrus S. Avery, F. J. Gentry and Roy M. Johnson, began.
On March 19, 1959, US-66 designation was removed from Southwest Boulevard in Red Fork and 11th Street through Tulsa and added to I-44 from Red Fork through Tulsa.
On March 19, 1997, the project to replace the SH-58 bridge over Salty Creek, approximately 2 miles south of the Kansas State Line was completed.
On March 20, 1956, a joint project between Oklahoma and Texas was approved to build the US-77 bridge over the Red River (now part of I-35 two bridges).
On March 21, 1938, construction began on a project to build US-270 in Oklahoma County, including a traffic circle at May Avenue and Northwest Highway.
On March 22, 1985, Senate Bill 138 was passed, removing the requirement that the Transportation Director must be a professional engineer.
On March 23, 1917, Senate Bill was passed creating specific offices and positions at the Department of Highways to be appointed by the Commissioner of Highways.
On March 23, 1925, the 9th Oklahoma Legislature passed the gasoline tax which put a levy of one cent per gallon of gasoline on every gallon consumed in Oklahoma.
On March 23, 1925, House Bill 373 was passed placing the state highway system under the direct control of the State Highway Commission, instead of County Commissioners.
On March 23, 1937, the Highway Commission approved the designation of SH-69 from SH-14 east of Bessie northeast to the junction of US-66 in Weatherford.
On March 24, 1932, the first meeting of the Joint Committee on Uniform Traffic Control Devices was held in Washington D.C.
On March 24, 1942, the Highway Commission approved the designation of SH-92 from the junction of US-62 east of Chickasha to the junction of SH-37 in Tuttle.
On March 26, 1971, the Highway Commission named Chester Brooks the 7th State Highway Director.
On March 27, 1968, the I-40 project consisting of two highway overpasses, one highway underpass and one railroad underpass was completed in Washita County.
On March 28, 1923, Senate Bill 26 was passed setting the speed limit on state highways in Oklahoma at 35 miles per hour.
On March 28, 1972, the Highway Advertising Control Act of 1972 was passed authorizing the Department to control, regulate and enforce advertising restrictions along highways.
On March 29, 1971, the project to resurface 7-miles of I-35 from the Murray/Carter County Line extending south was completed.
On March 30, 1917, House Bill 620 was passed, allocating funds to aid in road construction and equip road working camps with proper tools and teams in each county of the State.
On March 31, 1927, House Bill 340 was approved, authorizing the Highway Commission to co-operate with the U.S. Geological Survey in the topographic mapping of Oklahoma.
On March 31, 1931, House Bill 149 was approved, providing for locating, tracing and mapping the Chisholm Trail, Texas Cattle Trail and other old cattle trails across the state.
